11a1e1d21SSam Leffler /*- 27535e66aSSam Leffler * Copyright (c) 2001 Atsushi Onoe 310ad9a77SSam Leffler * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 41a1e1d21SSam Leffler * All rights reserved. 51a1e1d21SSam Leffler * 61a1e1d21SSam Leffler * Redistribution and use in source and binary forms, with or without 71a1e1d21SSam Leffler * modification, are permitted provided that the following conditions 81a1e1d21SSam Leffler * are met: 91a1e1d21SSam Leffler * 1. Redistributions of source code must retain the above copyright 107535e66aSSam Leffler * notice, this list of conditions and the following disclaimer. 117535e66aSSam Leffler * 2. Redistributions in binary form must reproduce the above copyright 127535e66aSSam Leffler * notice, this list of conditions and the following disclaimer in the 137535e66aSSam Leffler * documentation and/or other materials provided with the distribution. 141a1e1d21SSam Leffler * 157535e66aSSam Leffler * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 167535e66aSSam Leffler * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 177535e66aSSam Leffler * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 187535e66aSSam Leffler * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 197535e66aSSam Leffler * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 207535e66aSSam Leffler * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 217535e66aSSam Leffler * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 227535e66aSSam Leffler * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 237535e66aSSam Leffler * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 247535e66aSSam Leffler * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 251a1e1d21SSam Leffler */ 261a1e1d21SSam Leffler 271a1e1d21SSam Leffler #include <sys/cdefs.h> 281a1e1d21SSam Leffler __FBSDID("$FreeBSD$"); 291a1e1d21SSam Leffler 30b032f27cSSam Leffler #include "opt_wlan.h" 31b032f27cSSam Leffler 321a1e1d21SSam Leffler #include <sys/param.h> 331a1e1d21SSam Leffler #include <sys/systm.h> 341a1e1d21SSam Leffler #include <sys/mbuf.h> 351a1e1d21SSam Leffler #include <sys/malloc.h> 361a1e1d21SSam Leffler #include <sys/kernel.h> 371a1e1d21SSam Leffler 388a1b9b6aSSam Leffler #include <sys/socket.h> 391a1e1d21SSam Leffler 401a1e1d21SSam Leffler #include <net/if.h> 4176039bc8SGleb Smirnoff #include <net/if_var.h> 421a1e1d21SSam Leffler #include <net/if_media.h> 431a1e1d21SSam Leffler #include <net/ethernet.h> 441a1e1d21SSam Leffler 451a1e1d21SSam Leffler #include <net80211/ieee80211_var.h> 46b032f27cSSam Leffler #include <net80211/ieee80211_input.h> 47616190d0SSam Leffler #ifdef IEEE80211_SUPPORT_SUPERG 48616190d0SSam Leffler #include <net80211/ieee80211_superg.h> 49616190d0SSam Leffler #endif 5010ad9a77SSam Leffler #ifdef IEEE80211_SUPPORT_TDMA 5110ad9a77SSam Leffler #include <net80211/ieee80211_tdma.h> 5210ad9a77SSam Leffler #endif 53b032f27cSSam Leffler #include <net80211/ieee80211_wds.h> 5459aa14a9SRui Paulo #include <net80211/ieee80211_mesh.h> 55b6108616SRui Paulo #include <net80211/ieee80211_ratectl.h> 5651172f62SAdrian Chadd #include <net80211/ieee80211_vht.h> 571a1e1d21SSam Leffler 581a1e1d21SSam Leffler #include <net/bpf.h> 591a1e1d21SSam Leffler 607268fa64SSam Leffler /* 6159aa14a9SRui Paulo * IEEE80211_NODE_HASHSIZE must be a power of 2. 6259aa14a9SRui Paulo */ 6359aa14a9SRui Paulo CTASSERT((IEEE80211_NODE_HASHSIZE & (IEEE80211_NODE_HASHSIZE-1)) == 0); 6459aa14a9SRui Paulo 6559aa14a9SRui Paulo /* 667268fa64SSam Leffler * Association id's are managed with a bit vector. 677268fa64SSam Leffler */ 68b032f27cSSam Leffler #define IEEE80211_AID_SET(_vap, b) \ 69b032f27cSSam Leffler ((_vap)->iv_aid_bitmap[IEEE80211_AID(b) / 32] |= \ 70b032f27cSSam Leffler (1 << (IEEE80211_AID(b) % 32))) 71b032f27cSSam Leffler #define IEEE80211_AID_CLR(_vap, b) \ 72b032f27cSSam Leffler ((_vap)->iv_aid_bitmap[IEEE80211_AID(b) / 32] &= \ 73b032f27cSSam Leffler ~(1 << (IEEE80211_AID(b) % 32))) 74b032f27cSSam Leffler #define IEEE80211_AID_ISSET(_vap, b) \ 75b032f27cSSam Leffler ((_vap)->iv_aid_bitmap[IEEE80211_AID(b) / 32] & (1 << (IEEE80211_AID(b) % 32))) 767268fa64SSam Leffler 7768e8e04eSSam Leffler static int ieee80211_sta_join1(struct ieee80211_node *); 7868e8e04eSSam Leffler 7938c208f8SSam Leffler static struct ieee80211_node *node_alloc(struct ieee80211vap *, 8038c208f8SSam Leffler const uint8_t [IEEE80211_ADDR_LEN]); 818a1b9b6aSSam Leffler static void node_cleanup(struct ieee80211_node *); 828a1b9b6aSSam Leffler static void node_free(struct ieee80211_node *); 83b032f27cSSam Leffler static void node_age(struct ieee80211_node *); 8468e8e04eSSam Leffler static int8_t node_getrssi(const struct ieee80211_node *); 8568e8e04eSSam Leffler static void node_getsignal(const struct ieee80211_node *, int8_t *, int8_t *); 86b032f27cSSam Leffler static void node_getmimoinfo(const struct ieee80211_node *, 87b032f27cSSam Leffler struct ieee80211_mimo_info *); 881a1e1d21SSam Leffler 898a1b9b6aSSam Leffler static void _ieee80211_free_node(struct ieee80211_node *); 908a1b9b6aSSam Leffler 918a055831SAdrian Chadd static void node_reclaim(struct ieee80211_node_table *nt, 928a055831SAdrian Chadd struct ieee80211_node *ni); 938a1b9b6aSSam Leffler static void ieee80211_node_table_init(struct ieee80211com *ic, 94c1225b52SSam Leffler struct ieee80211_node_table *nt, const char *name, 9568e8e04eSSam Leffler int inact, int keymaxix); 96b032f27cSSam Leffler static void ieee80211_node_table_reset(struct ieee80211_node_table *, 97b032f27cSSam Leffler struct ieee80211vap *); 988a1b9b6aSSam Leffler static void ieee80211_node_table_cleanup(struct ieee80211_node_table *nt); 99b105a069SSam Leffler static void ieee80211_erp_timeout(struct ieee80211com *); 1001a1e1d21SSam Leffler 10132346d60SSam Leffler MALLOC_DEFINE(M_80211_NODE, "80211node", "802.11 node state"); 102b032f27cSSam Leffler MALLOC_DEFINE(M_80211_NODE_IE, "80211nodeie", "802.11 node ie"); 10337c150c4SSam Leffler 1041a1e1d21SSam Leffler void 1058a1b9b6aSSam Leffler ieee80211_node_attach(struct ieee80211com *ic) 1061a1e1d21SSam Leffler { 1075b16c28cSSam Leffler /* XXX really want maxlen enforced per-sta */ 1085b16c28cSSam Leffler ieee80211_ageq_init(&ic->ic_stageq, ic->ic_max_keyix * 8, 1095b16c28cSSam Leffler "802.11 staging q"); 110b032f27cSSam Leffler ieee80211_node_table_init(ic, &ic->ic_sta, "station", 111b032f27cSSam Leffler IEEE80211_INACT_INIT, ic->ic_max_keyix); 112fd90e2edSJung-uk Kim callout_init(&ic->ic_inact, 1); 113b032f27cSSam Leffler callout_reset(&ic->ic_inact, IEEE80211_INACT_WAIT*hz, 114b032f27cSSam Leffler ieee80211_node_timeout, ic); 1151a1e1d21SSam Leffler 1168a1b9b6aSSam Leffler ic->ic_node_alloc = node_alloc; 1178a1b9b6aSSam Leffler ic->ic_node_free = node_free; 1188a1b9b6aSSam Leffler ic->ic_node_cleanup = node_cleanup; 119b032f27cSSam Leffler ic->ic_node_age = node_age; 120b032f27cSSam Leffler ic->ic_node_drain = node_age; /* NB: same as age */ 1218a1b9b6aSSam Leffler ic->ic_node_getrssi = node_getrssi; 12268e8e04eSSam Leffler ic->ic_node_getsignal = node_getsignal; 123b032f27cSSam Leffler ic->ic_node_getmimoinfo = node_getmimoinfo; 1248a1b9b6aSSam Leffler 125b032f27cSSam Leffler /* 126b032f27cSSam Leffler * Set flags to be propagated to all vap's; 127b032f27cSSam Leffler * these define default behaviour/configuration. 128b032f27cSSam Leffler */ 129c066143cSSam Leffler ic->ic_flags_ext |= IEEE80211_FEXT_INACT; /* inactivity processing */ 130c1225b52SSam Leffler } 131c1225b52SSam Leffler 132c1225b52SSam Leffler void 1338a1b9b6aSSam Leffler ieee80211_node_detach(struct ieee80211com *ic) 1341a1e1d21SSam Leffler { 1351a1e1d21SSam Leffler 136b032f27cSSam Leffler callout_drain(&ic->ic_inact); 137acc4f7f5SSam Leffler ieee80211_node_table_cleanup(&ic->ic_sta); 1385b16c28cSSam Leffler ieee80211_ageq_cleanup(&ic->ic_stageq); 139b032f27cSSam Leffler } 140b032f27cSSam Leffler 141b032f27cSSam Leffler void 142b032f27cSSam Leffler ieee80211_node_vattach(struct ieee80211vap *vap) 143b032f27cSSam Leffler { 144b032f27cSSam Leffler /* NB: driver can override */ 145b032f27cSSam Leffler vap->iv_max_aid = IEEE80211_AID_DEF; 146b032f27cSSam Leffler 147b032f27cSSam Leffler /* default station inactivity timer setings */ 148b032f27cSSam Leffler vap->iv_inact_init = IEEE80211_INACT_INIT; 149b032f27cSSam Leffler vap->iv_inact_auth = IEEE80211_INACT_AUTH; 150b032f27cSSam Leffler vap->iv_inact_run = IEEE80211_INACT_RUN; 151b032f27cSSam Leffler vap->iv_inact_probe = IEEE80211_INACT_PROBE; 152be1054edSSam Leffler 153be1054edSSam Leffler IEEE80211_DPRINTF(vap, IEEE80211_MSG_INACT, 154be1054edSSam Leffler "%s: init %u auth %u run %u probe %u\n", __func__, 155be1054edSSam Leffler vap->iv_inact_init, vap->iv_inact_auth, 156be1054edSSam Leffler vap->iv_inact_run, vap->iv_inact_probe); 157b032f27cSSam Leffler } 158b032f27cSSam Leffler 159b032f27cSSam Leffler void 160b032f27cSSam Leffler ieee80211_node_latevattach(struct ieee80211vap *vap) 161b032f27cSSam Leffler { 162b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 163b032f27cSSam Leffler /* XXX should we allow max aid to be zero? */ 164b032f27cSSam Leffler if (vap->iv_max_aid < IEEE80211_AID_MIN) { 165b032f27cSSam Leffler vap->iv_max_aid = IEEE80211_AID_MIN; 166b032f27cSSam Leffler if_printf(vap->iv_ifp, 167b032f27cSSam Leffler "WARNING: max aid too small, changed to %d\n", 168b032f27cSSam Leffler vap->iv_max_aid); 169b032f27cSSam Leffler } 170b9b53389SAdrian Chadd vap->iv_aid_bitmap = (uint32_t *) IEEE80211_MALLOC( 171c5abbba3SDag-Erling Smørgrav howmany(vap->iv_max_aid, 32) * sizeof(uint32_t), 172b9b53389SAdrian Chadd M_80211_NODE, 173b9b53389SAdrian Chadd IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 174b032f27cSSam Leffler if (vap->iv_aid_bitmap == NULL) { 175b032f27cSSam Leffler /* XXX no way to recover */ 176b032f27cSSam Leffler printf("%s: no memory for AID bitmap, max aid %d!\n", 177b032f27cSSam Leffler __func__, vap->iv_max_aid); 178b032f27cSSam Leffler vap->iv_max_aid = 0; 179b032f27cSSam Leffler } 180b032f27cSSam Leffler } 181b032f27cSSam Leffler 182b032f27cSSam Leffler ieee80211_reset_bss(vap); 183b032f27cSSam Leffler 184b032f27cSSam Leffler vap->iv_auth = ieee80211_authenticator_get(vap->iv_bss->ni_authmode); 185b032f27cSSam Leffler } 186b032f27cSSam Leffler 187b032f27cSSam Leffler void 188b032f27cSSam Leffler ieee80211_node_vdetach(struct ieee80211vap *vap) 189b032f27cSSam Leffler { 190b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 191b032f27cSSam Leffler 192b032f27cSSam Leffler ieee80211_node_table_reset(&ic->ic_sta, vap); 193b032f27cSSam Leffler if (vap->iv_bss != NULL) { 194b032f27cSSam Leffler ieee80211_free_node(vap->iv_bss); 195b032f27cSSam Leffler vap->iv_bss = NULL; 196b032f27cSSam Leffler } 197b032f27cSSam Leffler if (vap->iv_aid_bitmap != NULL) { 198b9b53389SAdrian Chadd IEEE80211_FREE(vap->iv_aid_bitmap, M_80211_NODE); 199b032f27cSSam Leffler vap->iv_aid_bitmap = NULL; 2008a1b9b6aSSam Leffler } 2018a1b9b6aSSam Leffler } 2028a1b9b6aSSam Leffler 2038a1b9b6aSSam Leffler /* 2048a1b9b6aSSam Leffler * Port authorize/unauthorize interfaces for use by an authenticator. 2058a1b9b6aSSam Leffler */ 2068a1b9b6aSSam Leffler 2078a1b9b6aSSam Leffler void 208e4918ecdSSam Leffler ieee80211_node_authorize(struct ieee80211_node *ni) 2098a1b9b6aSSam Leffler { 210be1054edSSam Leffler struct ieee80211vap *vap = ni->ni_vap; 211be1054edSSam Leffler 2128a1b9b6aSSam Leffler ni->ni_flags |= IEEE80211_NODE_AUTH; 213be1054edSSam Leffler ni->ni_inact_reload = vap->iv_inact_run; 214c066143cSSam Leffler ni->ni_inact = ni->ni_inact_reload; 215be1054edSSam Leffler 216be1054edSSam Leffler IEEE80211_NOTE(vap, IEEE80211_MSG_INACT, ni, 217be1054edSSam Leffler "%s: inact_reload %u", __func__, ni->ni_inact_reload); 2188a1b9b6aSSam Leffler } 2198a1b9b6aSSam Leffler 2208a1b9b6aSSam Leffler void 221e4918ecdSSam Leffler ieee80211_node_unauthorize(struct ieee80211_node *ni) 2228a1b9b6aSSam Leffler { 223be1054edSSam Leffler struct ieee80211vap *vap = ni->ni_vap; 224be1054edSSam Leffler 2258a1b9b6aSSam Leffler ni->ni_flags &= ~IEEE80211_NODE_AUTH; 226be1054edSSam Leffler ni->ni_inact_reload = vap->iv_inact_auth; 227c066143cSSam Leffler if (ni->ni_inact > ni->ni_inact_reload) 228c066143cSSam Leffler ni->ni_inact = ni->ni_inact_reload; 229be1054edSSam Leffler 230be1054edSSam Leffler IEEE80211_NOTE(vap, IEEE80211_MSG_INACT, ni, 231be1054edSSam Leffler "%s: inact_reload %u inact %u", __func__, 232be1054edSSam Leffler ni->ni_inact_reload, ni->ni_inact); 2338a1b9b6aSSam Leffler } 2348a1b9b6aSSam Leffler 2358a1b9b6aSSam Leffler /* 23601a03542SSam Leffler * Fix tx parameters for a node according to ``association state''. 23701a03542SSam Leffler */ 238d77148fbSSam Leffler void 239d77148fbSSam Leffler ieee80211_node_setuptxparms(struct ieee80211_node *ni) 24001a03542SSam Leffler { 24101a03542SSam Leffler struct ieee80211vap *vap = ni->ni_vap; 242f76cde95SSam Leffler enum ieee80211_phymode mode; 24301a03542SSam Leffler 24401a03542SSam Leffler if (ni->ni_flags & IEEE80211_NODE_HT) { 24501a03542SSam Leffler if (IEEE80211_IS_CHAN_5GHZ(ni->ni_chan)) 246f76cde95SSam Leffler mode = IEEE80211_MODE_11NA; 24701a03542SSam Leffler else 248f76cde95SSam Leffler mode = IEEE80211_MODE_11NG; 24901a03542SSam Leffler } else { /* legacy rate handling */ 250f76cde95SSam Leffler if (IEEE80211_IS_CHAN_ST(ni->ni_chan)) 251f76cde95SSam Leffler mode = IEEE80211_MODE_STURBO_A; 2526a76ae21SSam Leffler else if (IEEE80211_IS_CHAN_HALF(ni->ni_chan)) 2536a76ae21SSam Leffler mode = IEEE80211_MODE_HALF; 2546a76ae21SSam Leffler else if (IEEE80211_IS_CHAN_QUARTER(ni->ni_chan)) 2556a76ae21SSam Leffler mode = IEEE80211_MODE_QUARTER; 256c5262b82SSam Leffler /* NB: 108A should be handled as 11a */ 257f76cde95SSam Leffler else if (IEEE80211_IS_CHAN_A(ni->ni_chan)) 258f76cde95SSam Leffler mode = IEEE80211_MODE_11A; 259c5262b82SSam Leffler else if (IEEE80211_IS_CHAN_108G(ni->ni_chan) || 260c5262b82SSam Leffler (ni->ni_flags & IEEE80211_NODE_ERP)) 261f76cde95SSam Leffler mode = IEEE80211_MODE_11G; 26201a03542SSam Leffler else 263f76cde95SSam Leffler mode = IEEE80211_MODE_11B; 26401a03542SSam Leffler } 265f76cde95SSam Leffler ni->ni_txparms = &vap->iv_txparms[mode]; 26601a03542SSam Leffler } 26701a03542SSam Leffler 26801a03542SSam Leffler /* 2698a1b9b6aSSam Leffler * Set/change the channel. The rate set is also updated as 2708a1b9b6aSSam Leffler * to insure a consistent view by drivers. 271b032f27cSSam Leffler * XXX should be private but hostap needs it to deal with CSA 2728a1b9b6aSSam Leffler */ 273b032f27cSSam Leffler void 274b032f27cSSam Leffler ieee80211_node_set_chan(struct ieee80211_node *ni, 275b032f27cSSam Leffler struct ieee80211_channel *chan) 2768a1b9b6aSSam Leffler { 277b032f27cSSam Leffler struct ieee80211com *ic = ni->ni_ic; 27801a03542SSam Leffler struct ieee80211vap *vap = ni->ni_vap; 27901a03542SSam Leffler enum ieee80211_phymode mode; 28068e8e04eSSam Leffler 281b032f27cSSam Leffler KASSERT(chan != IEEE80211_CHAN_ANYC, ("no channel")); 282b032f27cSSam Leffler 2838a1b9b6aSSam Leffler ni->ni_chan = chan; 28401a03542SSam Leffler mode = ieee80211_chan2mode(chan); 28568e8e04eSSam Leffler if (IEEE80211_IS_CHAN_HT(chan)) { 28668e8e04eSSam Leffler /* 287597029bfSBernhard Schmidt * We must install the legacy rate est in ni_rates and the 28868e8e04eSSam Leffler * HT rate set in ni_htrates. 28968e8e04eSSam Leffler */ 29068e8e04eSSam Leffler ni->ni_htrates = *ieee80211_get_suphtrates(ic, chan); 29101a03542SSam Leffler /* 29201a03542SSam Leffler * Setup bss tx parameters based on operating mode. We 29301a03542SSam Leffler * use legacy rates when operating in a mixed HT+non-HT bss 29401a03542SSam Leffler * and non-ERP rates in 11g for mixed ERP+non-ERP bss. 29501a03542SSam Leffler */ 29601a03542SSam Leffler if (mode == IEEE80211_MODE_11NA && 2972bfc8a91SSam Leffler (vap->iv_flags_ht & IEEE80211_FHT_PUREN) == 0) 29801a03542SSam Leffler mode = IEEE80211_MODE_11A; 29901a03542SSam Leffler else if (mode == IEEE80211_MODE_11NG && 3002bfc8a91SSam Leffler (vap->iv_flags_ht & IEEE80211_FHT_PUREN) == 0) 30101a03542SSam Leffler mode = IEEE80211_MODE_11G; 30201a03542SSam Leffler if (mode == IEEE80211_MODE_11G && 30301a03542SSam Leffler (vap->iv_flags & IEEE80211_F_PUREG) == 0) 30401a03542SSam Leffler mode = IEEE80211_MODE_11B; 30568e8e04eSSam Leffler } 30601a03542SSam Leffler ni->ni_txparms = &vap->iv_txparms[mode]; 30741b3c790SSam Leffler ni->ni_rates = *ieee80211_get_suprates(ic, chan); 3081a1e1d21SSam Leffler } 3091a1e1d21SSam Leffler 310f9cd9174SSam Leffler static __inline void 311f9cd9174SSam Leffler copy_bss(struct ieee80211_node *nbss, const struct ieee80211_node *obss) 312f9cd9174SSam Leffler { 313f9cd9174SSam Leffler /* propagate useful state */ 314f9cd9174SSam Leffler nbss->ni_authmode = obss->ni_authmode; 315f9cd9174SSam Leffler nbss->ni_txpower = obss->ni_txpower; 316f9cd9174SSam Leffler nbss->ni_vlan = obss->ni_vlan; 317f9cd9174SSam Leffler /* XXX statistics? */ 318b032f27cSSam Leffler /* XXX legacy WDS bssid? */ 319f9cd9174SSam Leffler } 320f9cd9174SSam Leffler 3211a1e1d21SSam Leffler void 322b032f27cSSam Leffler ieee80211_create_ibss(struct ieee80211vap* vap, struct ieee80211_channel *chan) 3231a1e1d21SSam Leffler { 324b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 3251a1e1d21SSam Leffler struct ieee80211_node *ni; 3268a1b9b6aSSam Leffler 327b032f27cSSam Leffler IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 328869897d2SAdrian Chadd "%s: creating %s on channel %u%c flags 0x%08x\n", __func__, 32959aa14a9SRui Paulo ieee80211_opmode_name[vap->iv_opmode], 3302b8b8ae8SAdrian Chadd ieee80211_chan2ieee(ic, chan), 331869897d2SAdrian Chadd ieee80211_channel_type_char(chan), 332869897d2SAdrian Chadd chan->ic_flags); 3338a1b9b6aSSam Leffler 334b032f27cSSam Leffler ni = ieee80211_alloc_node(&ic->ic_sta, vap, vap->iv_myaddr); 335acc4f7f5SSam Leffler if (ni == NULL) { 336acc4f7f5SSam Leffler /* XXX recovery? */ 3378a1b9b6aSSam Leffler return; 3388a1b9b6aSSam Leffler } 339b032f27cSSam Leffler IEEE80211_ADDR_COPY(ni->ni_bssid, vap->iv_myaddr); 340b032f27cSSam Leffler ni->ni_esslen = vap->iv_des_ssid[0].len; 341b032f27cSSam Leffler memcpy(ni->ni_essid, vap->iv_des_ssid[0].ssid, ni->ni_esslen); 342b032f27cSSam Leffler if (vap->iv_bss != NULL) 343b032f27cSSam Leffler copy_bss(ni, vap->iv_bss); 344d365f9c7SSam Leffler ni->ni_intval = ic->ic_bintval; 345b032f27cSSam Leffler if (vap->iv_flags & IEEE80211_F_PRIVACY) 3461a1e1d21SSam Leffler ni->ni_capinfo |= IEEE80211_CAPINFO_PRIVACY; 3471a1e1d21SSam Leffler if (ic->ic_phytype == IEEE80211_T_FH) { 3481a1e1d21SSam Leffler ni->ni_fhdwell = 200; /* XXX */ 3491a1e1d21SSam Leffler ni->ni_fhindex = 1; 3501a1e1d21SSam Leffler } 351b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_IBSS) { 352b032f27cSSam Leffler vap->iv_flags |= IEEE80211_F_SIBSS; 3538a1b9b6aSSam Leffler ni->ni_capinfo |= IEEE80211_CAPINFO_IBSS; /* XXX */ 354b032f27cSSam Leffler if (vap->iv_flags & IEEE80211_F_DESBSSID) 355b032f27cSSam Leffler IEEE80211_ADDR_COPY(ni->ni_bssid, vap->iv_des_bssid); 356fe49f061SSam Leffler else { 357fe49f061SSam Leffler get_random_bytes(ni->ni_bssid, IEEE80211_ADDR_LEN); 358fe49f061SSam Leffler /* clear group bit, add local bit */ 359fe49f061SSam Leffler ni->ni_bssid[0] = (ni->ni_bssid[0] &~ 0x01) | 0x02; 360fe49f061SSam Leffler } 361b032f27cSSam Leffler } else if (vap->iv_opmode == IEEE80211_M_AHDEMO) { 362b032f27cSSam Leffler if (vap->iv_flags & IEEE80211_F_DESBSSID) 363b032f27cSSam Leffler IEEE80211_ADDR_COPY(ni->ni_bssid, vap->iv_des_bssid); 36450d8b493SSam Leffler else 36510ad9a77SSam Leffler #ifdef IEEE80211_SUPPORT_TDMA 36610ad9a77SSam Leffler if ((vap->iv_caps & IEEE80211_C_TDMA) == 0) 36710ad9a77SSam Leffler #endif 36850d8b493SSam Leffler memset(ni->ni_bssid, 0, IEEE80211_ADDR_LEN); 36959aa14a9SRui Paulo #ifdef IEEE80211_SUPPORT_MESH 37059aa14a9SRui Paulo } else if (vap->iv_opmode == IEEE80211_M_MBSS) { 37159aa14a9SRui Paulo ni->ni_meshidlen = vap->iv_mesh->ms_idlen; 37259aa14a9SRui Paulo memcpy(ni->ni_meshid, vap->iv_mesh->ms_id, ni->ni_meshidlen); 37359aa14a9SRui Paulo #endif 3748a1b9b6aSSam Leffler } 3758a1b9b6aSSam Leffler /* 3768a1b9b6aSSam Leffler * Fix the channel and related attributes. 3778a1b9b6aSSam Leffler */ 378b032f27cSSam Leffler /* clear DFS CAC state on previous channel */ 379b032f27cSSam Leffler if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 380b032f27cSSam Leffler ic->ic_bsschan->ic_freq != chan->ic_freq && 381b032f27cSSam Leffler IEEE80211_IS_CHAN_CACDONE(ic->ic_bsschan)) 382b032f27cSSam Leffler ieee80211_dfs_cac_clear(ic, ic->ic_bsschan); 38368e8e04eSSam Leffler ic->ic_bsschan = chan; 384b032f27cSSam Leffler ieee80211_node_set_chan(ni, chan); 38568e8e04eSSam Leffler ic->ic_curmode = ieee80211_chan2mode(chan); 3868a1b9b6aSSam Leffler /* 387b032f27cSSam Leffler * Do mode-specific setup. 3888a1b9b6aSSam Leffler */ 38968e8e04eSSam Leffler if (IEEE80211_IS_CHAN_FULL(chan)) { 39068e8e04eSSam Leffler if (IEEE80211_IS_CHAN_ANYG(chan)) { 39168e8e04eSSam Leffler /* 392b032f27cSSam Leffler * Use a mixed 11b/11g basic rate set. 39368e8e04eSSam Leffler */ 394b032f27cSSam Leffler ieee80211_setbasicrates(&ni->ni_rates, 39568e8e04eSSam Leffler IEEE80211_MODE_11G); 396b032f27cSSam Leffler if (vap->iv_flags & IEEE80211_F_PUREG) { 397b032f27cSSam Leffler /* 398b032f27cSSam Leffler * Also mark OFDM rates basic so 11b 399b032f27cSSam Leffler * stations do not join (WiFi compliance). 400b032f27cSSam Leffler */ 401b032f27cSSam Leffler ieee80211_addbasicrates(&ni->ni_rates, 402b032f27cSSam Leffler IEEE80211_MODE_11A); 403b032f27cSSam Leffler } 40468e8e04eSSam Leffler } else if (IEEE80211_IS_CHAN_B(chan)) { 40568e8e04eSSam Leffler /* 40668e8e04eSSam Leffler * Force pure 11b rate set. 40768e8e04eSSam Leffler */ 408b032f27cSSam Leffler ieee80211_setbasicrates(&ni->ni_rates, 40968e8e04eSSam Leffler IEEE80211_MODE_11B); 41068e8e04eSSam Leffler } 4111a1e1d21SSam Leffler } 4121a1e1d21SSam Leffler 413869897d2SAdrian Chadd /* XXX TODO: other bits and pieces - eg fast-frames? */ 414869897d2SAdrian Chadd 415869897d2SAdrian Chadd /* If we're an 11n channel then initialise the 11n bits */ 41651172f62SAdrian Chadd if (IEEE80211_IS_CHAN_VHT(ni->ni_chan)) { 41751172f62SAdrian Chadd /* XXX what else? */ 41851172f62SAdrian Chadd ieee80211_ht_node_init(ni); 41951172f62SAdrian Chadd ieee80211_vht_node_init(ni); 42051172f62SAdrian Chadd } else if (IEEE80211_IS_CHAN_HT(ni->ni_chan)) { 421869897d2SAdrian Chadd /* XXX what else? */ 422869897d2SAdrian Chadd ieee80211_ht_node_init(ni); 423869897d2SAdrian Chadd } 424869897d2SAdrian Chadd 42568e8e04eSSam Leffler (void) ieee80211_sta_join1(ieee80211_ref_node(ni)); 42668e8e04eSSam Leffler } 42768e8e04eSSam Leffler 42868e8e04eSSam Leffler /* 42968e8e04eSSam Leffler * Reset bss state on transition to the INIT state. 43068e8e04eSSam Leffler * Clear any stations from the table (they have been 43168e8e04eSSam Leffler * deauth'd) and reset the bss node (clears key, rate 43268e8e04eSSam Leffler * etc. state). 43368e8e04eSSam Leffler */ 4348a1b9b6aSSam Leffler void 435b032f27cSSam Leffler ieee80211_reset_bss(struct ieee80211vap *vap) 436b4c5a90fSSam Leffler { 437b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 4388a1b9b6aSSam Leffler struct ieee80211_node *ni, *obss; 4398a1b9b6aSSam Leffler 440b032f27cSSam Leffler ieee80211_node_table_reset(&ic->ic_sta, vap); 441b032f27cSSam Leffler /* XXX multi-bss: wrong */ 44268e8e04eSSam Leffler ieee80211_reset_erp(ic); 443acc4f7f5SSam Leffler 444b032f27cSSam Leffler ni = ieee80211_alloc_node(&ic->ic_sta, vap, vap->iv_myaddr); 44548e1bda0SRui Paulo KASSERT(ni != NULL, ("unable to setup initial BSS node")); 446b032f27cSSam Leffler obss = vap->iv_bss; 447b032f27cSSam Leffler vap->iv_bss = ieee80211_ref_node(ni); 448f9cd9174SSam Leffler if (obss != NULL) { 449f9cd9174SSam Leffler copy_bss(ni, obss); 450d365f9c7SSam Leffler ni->ni_intval = ic->ic_bintval; 4518a1b9b6aSSam Leffler ieee80211_free_node(obss); 452b032f27cSSam Leffler } else 453b032f27cSSam Leffler IEEE80211_ADDR_COPY(ni->ni_bssid, vap->iv_myaddr); 454f9cd9174SSam Leffler } 4558a1b9b6aSSam Leffler 4568a1b9b6aSSam Leffler static int 45768e8e04eSSam Leffler match_ssid(const struct ieee80211_node *ni, 45868e8e04eSSam Leffler int nssid, const struct ieee80211_scan_ssid ssids[]) 4598a1b9b6aSSam Leffler { 46068e8e04eSSam Leffler int i; 46168e8e04eSSam Leffler 46268e8e04eSSam Leffler for (i = 0; i < nssid; i++) { 46368e8e04eSSam Leffler if (ni->ni_esslen == ssids[i].len && 46468e8e04eSSam Leffler memcmp(ni->ni_essid, ssids[i].ssid, ni->ni_esslen) == 0) 46568e8e04eSSam Leffler return 1; 46668e8e04eSSam Leffler } 46768e8e04eSSam Leffler return 0; 46868e8e04eSSam Leffler } 46968e8e04eSSam Leffler 47068e8e04eSSam Leffler /* 47168e8e04eSSam Leffler * Test a node for suitability/compatibility. 47268e8e04eSSam Leffler */ 47368e8e04eSSam Leffler static int 474b032f27cSSam Leffler check_bss(struct ieee80211vap *vap, struct ieee80211_node *ni) 47568e8e04eSSam Leffler { 476b032f27cSSam Leffler struct ieee80211com *ic = ni->ni_ic; 47768e8e04eSSam Leffler uint8_t rate; 47868e8e04eSSam Leffler 47968e8e04eSSam Leffler if (isclr(ic->ic_chan_active, ieee80211_chan2ieee(ic, ni->ni_chan))) 48068e8e04eSSam Leffler return 0; 481b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_IBSS) { 48268e8e04eSSam Leffler if ((ni->ni_capinfo & IEEE80211_CAPINFO_IBSS) == 0) 48368e8e04eSSam Leffler return 0; 48468e8e04eSSam Leffler } else { 48568e8e04eSSam Leffler if ((ni->ni_capinfo & IEEE80211_CAPINFO_ESS) == 0) 48668e8e04eSSam Leffler return 0; 48768e8e04eSSam Leffler } 488b032f27cSSam Leffler if (vap->iv_flags & IEEE80211_F_PRIVACY) { 48968e8e04eSSam Leffler if ((ni->ni_capinfo & IEEE80211_CAPINFO_PRIVACY) == 0) 49068e8e04eSSam Leffler return 0; 49168e8e04eSSam Leffler } else { 49268e8e04eSSam Leffler /* XXX does this mean privacy is supported or required? */ 49368e8e04eSSam Leffler if (ni->ni_capinfo & IEEE80211_CAPINFO_PRIVACY) 49468e8e04eSSam Leffler return 0; 49568e8e04eSSam Leffler } 49668e8e04eSSam Leffler rate = ieee80211_fix_rate(ni, &ni->ni_rates, 49768e8e04eSSam Leffler IEEE80211_F_JOIN | IEEE80211_F_DONEGO | IEEE80211_F_DOFRATE); 49868e8e04eSSam Leffler if (rate & IEEE80211_RATE_BASIC) 49968e8e04eSSam Leffler return 0; 500b032f27cSSam Leffler if (vap->iv_des_nssid != 0 && 501b032f27cSSam Leffler !match_ssid(ni, vap->iv_des_nssid, vap->iv_des_ssid)) 50268e8e04eSSam Leffler return 0; 503b032f27cSSam Leffler if ((vap->iv_flags & IEEE80211_F_DESBSSID) && 504b032f27cSSam Leffler !IEEE80211_ADDR_EQ(vap->iv_des_bssid, ni->ni_bssid)) 50568e8e04eSSam Leffler return 0; 50668e8e04eSSam Leffler return 1; 50768e8e04eSSam Leffler } 50868e8e04eSSam Leffler 50968e8e04eSSam Leffler #ifdef IEEE80211_DEBUG 51068e8e04eSSam Leffler /* 51168e8e04eSSam Leffler * Display node suitability/compatibility. 51268e8e04eSSam Leffler */ 51368e8e04eSSam Leffler static void 514b032f27cSSam Leffler check_bss_debug(struct ieee80211vap *vap, struct ieee80211_node *ni) 51568e8e04eSSam Leffler { 516b032f27cSSam Leffler struct ieee80211com *ic = ni->ni_ic; 51768e8e04eSSam Leffler uint8_t rate; 518b4c5a90fSSam Leffler int fail; 519b4c5a90fSSam Leffler 520b4c5a90fSSam Leffler fail = 0; 521b4c5a90fSSam Leffler if (isclr(ic->ic_chan_active, ieee80211_chan2ieee(ic, ni->ni_chan))) 522b4c5a90fSSam Leffler fail |= 0x01; 523b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_IBSS) { 524b4c5a90fSSam Leffler if ((ni->ni_capinfo & IEEE80211_CAPINFO_IBSS) == 0) 525b4c5a90fSSam Leffler fail |= 0x02; 526b4c5a90fSSam Leffler } else { 527b4c5a90fSSam Leffler if ((ni->ni_capinfo & IEEE80211_CAPINFO_ESS) == 0) 528b4c5a90fSSam Leffler fail |= 0x02; 529b4c5a90fSSam Leffler } 530b032f27cSSam Leffler if (vap->iv_flags & IEEE80211_F_PRIVACY) { 531b4c5a90fSSam Leffler if ((ni->ni_capinfo & IEEE80211_CAPINFO_PRIVACY) == 0) 532b4c5a90fSSam Leffler fail |= 0x04; 533b4c5a90fSSam Leffler } else { 534b4c5a90fSSam Leffler /* XXX does this mean privacy is supported or required? */ 535b4c5a90fSSam Leffler if (ni->ni_capinfo & IEEE80211_CAPINFO_PRIVACY) 536b4c5a90fSSam Leffler fail |= 0x04; 537b4c5a90fSSam Leffler } 53870e28b9aSSam Leffler rate = ieee80211_fix_rate(ni, &ni->ni_rates, 53979edaebfSSam Leffler IEEE80211_F_JOIN | IEEE80211_F_DONEGO | IEEE80211_F_DOFRATE); 540b4c5a90fSSam Leffler if (rate & IEEE80211_RATE_BASIC) 541b4c5a90fSSam Leffler fail |= 0x08; 542b032f27cSSam Leffler if (vap->iv_des_nssid != 0 && 543b032f27cSSam Leffler !match_ssid(ni, vap->iv_des_nssid, vap->iv_des_ssid)) 544b4c5a90fSSam Leffler fail |= 0x10; 545b032f27cSSam Leffler if ((vap->iv_flags & IEEE80211_F_DESBSSID) && 546b032f27cSSam Leffler !IEEE80211_ADDR_EQ(vap->iv_des_bssid, ni->ni_bssid)) 547b4c5a90fSSam Leffler fail |= 0x20; 54868e8e04eSSam Leffler 54968e8e04eSSam Leffler printf(" %c %s", fail ? '-' : '+', ether_sprintf(ni->ni_macaddr)); 55068e8e04eSSam Leffler printf(" %s%c", ether_sprintf(ni->ni_bssid), fail & 0x20 ? '!' : ' '); 55168e8e04eSSam Leffler printf(" %3d%c", 55268e8e04eSSam Leffler ieee80211_chan2ieee(ic, ni->ni_chan), fail & 0x01 ? '!' : ' '); 553b4c5a90fSSam Leffler printf(" %2dM%c", (rate & IEEE80211_RATE_VAL) / 2, 554b4c5a90fSSam Leffler fail & 0x08 ? '!' : ' '); 555b4c5a90fSSam Leffler printf(" %4s%c", 556b4c5a90fSSam Leffler (ni->ni_capinfo & IEEE80211_CAPINFO_ESS) ? "ess" : 557b4c5a90fSSam Leffler (ni->ni_capinfo & IEEE80211_CAPINFO_IBSS) ? "ibss" : 558b4c5a90fSSam Leffler "????", 559b4c5a90fSSam Leffler fail & 0x02 ? '!' : ' '); 560b4c5a90fSSam Leffler printf(" %3s%c ", 56168e8e04eSSam Leffler (ni->ni_capinfo & IEEE80211_CAPINFO_PRIVACY) ? "wep" : "no", 562b4c5a90fSSam Leffler fail & 0x04 ? '!' : ' '); 563b4c5a90fSSam Leffler ieee80211_print_essid(ni->ni_essid, ni->ni_esslen); 564b4c5a90fSSam Leffler printf("%s\n", fail & 0x10 ? "!" : ""); 565b4c5a90fSSam Leffler } 56668e8e04eSSam Leffler #endif /* IEEE80211_DEBUG */ 5678a1b9b6aSSam Leffler 568adad5b45SAdrian Chadd 569adad5b45SAdrian Chadd int 570adad5b45SAdrian Chadd ieee80211_ibss_merge_check(struct ieee80211_node *ni) 571adad5b45SAdrian Chadd { 572adad5b45SAdrian Chadd struct ieee80211vap *vap = ni->ni_vap; 573adad5b45SAdrian Chadd 574adad5b45SAdrian Chadd if (ni == vap->iv_bss || 575adad5b45SAdrian Chadd IEEE80211_ADDR_EQ(ni->ni_bssid, vap->iv_bss->ni_bssid)) { 576adad5b45SAdrian Chadd /* unchanged, nothing to do */ 577adad5b45SAdrian Chadd return 0; 578adad5b45SAdrian Chadd } 579adad5b45SAdrian Chadd 580adad5b45SAdrian Chadd if (!check_bss(vap, ni)) { 581adad5b45SAdrian Chadd /* capabilities mismatch */ 582adad5b45SAdrian Chadd IEEE80211_DPRINTF(vap, IEEE80211_MSG_ASSOC, 583adad5b45SAdrian Chadd "%s: merge failed, capabilities mismatch\n", __func__); 584adad5b45SAdrian Chadd #ifdef IEEE80211_DEBUG 585adad5b45SAdrian Chadd if (ieee80211_msg_assoc(vap)) 586adad5b45SAdrian Chadd check_bss_debug(vap, ni); 587adad5b45SAdrian Chadd #endif 588adad5b45SAdrian Chadd vap->iv_stats.is_ibss_capmismatch++; 589adad5b45SAdrian Chadd return 0; 590adad5b45SAdrian Chadd } 591adad5b45SAdrian Chadd 592adad5b45SAdrian Chadd return 1; 593adad5b45SAdrian Chadd } 594adad5b45SAdrian Chadd 595750d6d0cSSam Leffler /* 596172b009aSAdrian Chadd * Check if the given node should populate the node table. 597172b009aSAdrian Chadd * 598172b009aSAdrian Chadd * We need to be in "see all beacons for all ssids" mode in order 599172b009aSAdrian Chadd * to do IBSS merges, however this means we will populate nodes for 600172b009aSAdrian Chadd * /all/ IBSS SSIDs, versus just the one we care about. 601172b009aSAdrian Chadd * 602172b009aSAdrian Chadd * So this check ensures the node can actually belong to our IBSS 603172b009aSAdrian Chadd * configuration. For now it simply checks the SSID. 604172b009aSAdrian Chadd */ 605172b009aSAdrian Chadd int 606172b009aSAdrian Chadd ieee80211_ibss_node_check_new(struct ieee80211_node *ni, 607172b009aSAdrian Chadd const struct ieee80211_scanparams *scan) 608172b009aSAdrian Chadd { 609172b009aSAdrian Chadd struct ieee80211vap *vap = ni->ni_vap; 610172b009aSAdrian Chadd int i; 611172b009aSAdrian Chadd 612172b009aSAdrian Chadd /* 613172b009aSAdrian Chadd * If we have no SSID and no scan SSID, return OK. 614172b009aSAdrian Chadd */ 615172b009aSAdrian Chadd if (vap->iv_des_nssid == 0 && scan->ssid == NULL) 616172b009aSAdrian Chadd goto ok; 617172b009aSAdrian Chadd 618172b009aSAdrian Chadd /* 619172b009aSAdrian Chadd * If we have one of (SSID, scan SSID) then return error. 620172b009aSAdrian Chadd */ 621172b009aSAdrian Chadd if (!! (vap->iv_des_nssid == 0) != !! (scan->ssid == NULL)) 622172b009aSAdrian Chadd goto mismatch; 623172b009aSAdrian Chadd 624172b009aSAdrian Chadd /* 625172b009aSAdrian Chadd * Double-check - we need scan SSID. 626172b009aSAdrian Chadd */ 627172b009aSAdrian Chadd if (scan->ssid == NULL) 628172b009aSAdrian Chadd goto mismatch; 629172b009aSAdrian Chadd 630172b009aSAdrian Chadd /* 631172b009aSAdrian Chadd * Check if the scan SSID matches the SSID list for the VAP. 632172b009aSAdrian Chadd */ 633172b009aSAdrian Chadd for (i = 0; i < vap->iv_des_nssid; i++) { 634172b009aSAdrian Chadd 635172b009aSAdrian Chadd /* Sanity length check */ 636172b009aSAdrian Chadd if (vap->iv_des_ssid[i].len != scan->ssid[1]) 637172b009aSAdrian Chadd continue; 638172b009aSAdrian Chadd 639172b009aSAdrian Chadd /* Note: SSID in the scan entry is the IE format */ 640172b009aSAdrian Chadd if (memcmp(vap->iv_des_ssid[i].ssid, scan->ssid + 2, 641172b009aSAdrian Chadd vap->iv_des_ssid[i].len) == 0) 642172b009aSAdrian Chadd goto ok; 643172b009aSAdrian Chadd } 644172b009aSAdrian Chadd 645172b009aSAdrian Chadd mismatch: 646172b009aSAdrian Chadd return (0); 647172b009aSAdrian Chadd ok: 648172b009aSAdrian Chadd return (1); 649172b009aSAdrian Chadd } 650172b009aSAdrian Chadd 651172b009aSAdrian Chadd /* 6528a1b9b6aSSam Leffler * Handle 802.11 ad hoc network merge. The 6538a1b9b6aSSam Leffler * convention, set by the Wireless Ethernet Compatibility Alliance 6548a1b9b6aSSam Leffler * (WECA), is that an 802.11 station will change its BSSID to match 6558a1b9b6aSSam Leffler * the "oldest" 802.11 ad hoc network, on the same channel, that 6568a1b9b6aSSam Leffler * has the station's desired SSID. The "oldest" 802.11 network 6578a1b9b6aSSam Leffler * sends beacons with the greatest TSF timestamp. 6588a1b9b6aSSam Leffler * 6598a1b9b6aSSam Leffler * The caller is assumed to validate TSF's before attempting a merge. 6608a1b9b6aSSam Leffler * 6618a1b9b6aSSam Leffler * Return !0 if the BSSID changed, 0 otherwise. 662750d6d0cSSam Leffler */ 6638a1b9b6aSSam Leffler int 664641b4d0bSSam Leffler ieee80211_ibss_merge(struct ieee80211_node *ni) 6658a1b9b6aSSam Leffler { 666b032f27cSSam Leffler #ifdef IEEE80211_DEBUG 667c89e0d15SBjoern A. Zeeb struct ieee80211vap *vap = ni->ni_vap; 668641b4d0bSSam Leffler struct ieee80211com *ic = ni->ni_ic; 669b032f27cSSam Leffler #endif 6708a1b9b6aSSam Leffler 671adad5b45SAdrian Chadd if (! ieee80211_ibss_merge_check(ni)) 6728a1b9b6aSSam Leffler return 0; 673adad5b45SAdrian Chadd 674b032f27cSSam Leffler IEEE80211_DPRINTF(vap, IEEE80211_MSG_ASSOC, 6758a1b9b6aSSam Leffler "%s: new bssid %s: %s preamble, %s slot time%s\n", __func__, 6768a1b9b6aSSam Leffler ether_sprintf(ni->ni_bssid), 6778a1b9b6aSSam Leffler ic->ic_flags&IEEE80211_F_SHPREAMBLE ? "short" : "long", 6788a1b9b6aSSam Leffler ic->ic_flags&IEEE80211_F_SHSLOT ? "short" : "long", 6798a1b9b6aSSam Leffler ic->ic_flags&IEEE80211_F_USEPROT ? ", protection" : "" 6808a1b9b6aSSam Leffler ); 68168e8e04eSSam Leffler return ieee80211_sta_join1(ieee80211_ref_node(ni)); 6828a1b9b6aSSam Leffler } 6838a1b9b6aSSam Leffler 6848a1b9b6aSSam Leffler /* 685b032f27cSSam Leffler * Calculate HT channel promotion flags for all vaps. 686b032f27cSSam Leffler * This assumes ni_chan have been setup for each vap. 687b032f27cSSam Leffler */ 688b032f27cSSam Leffler static int 689b032f27cSSam Leffler gethtadjustflags(struct ieee80211com *ic) 690b032f27cSSam Leffler { 691b032f27cSSam Leffler struct ieee80211vap *vap; 692b032f27cSSam Leffler int flags; 693b032f27cSSam Leffler 694b032f27cSSam Leffler flags = 0; 695b032f27cSSam Leffler /* XXX locking */ 696b032f27cSSam Leffler TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 697b032f27cSSam Leffler if (vap->iv_state < IEEE80211_S_RUN) 698b032f27cSSam Leffler continue; 699b032f27cSSam Leffler switch (vap->iv_opmode) { 700b032f27cSSam Leffler case IEEE80211_M_WDS: 701b032f27cSSam Leffler case IEEE80211_M_STA: 702b032f27cSSam Leffler case IEEE80211_M_AHDEMO: 703b032f27cSSam Leffler case IEEE80211_M_HOSTAP: 704b032f27cSSam Leffler case IEEE80211_M_IBSS: 70559aa14a9SRui Paulo case IEEE80211_M_MBSS: 706b032f27cSSam Leffler flags |= ieee80211_htchanflags(vap->iv_bss->ni_chan); 707b032f27cSSam Leffler break; 708b032f27cSSam Leffler default: 709b032f27cSSam Leffler break; 710b032f27cSSam Leffler } 711b032f27cSSam Leffler } 712b032f27cSSam Leffler return flags; 713b032f27cSSam Leffler } 714b032f27cSSam Leffler 715b032f27cSSam Leffler /* 71651172f62SAdrian Chadd * Calculate VHT channel promotion flags for all vaps. 71751172f62SAdrian Chadd * This assumes ni_chan have been setup for each vap. 71851172f62SAdrian Chadd */ 71951172f62SAdrian Chadd static int 72051172f62SAdrian Chadd getvhtadjustflags(struct ieee80211com *ic) 72151172f62SAdrian Chadd { 72251172f62SAdrian Chadd struct ieee80211vap *vap; 72351172f62SAdrian Chadd int flags; 72451172f62SAdrian Chadd 72551172f62SAdrian Chadd flags = 0; 72651172f62SAdrian Chadd /* XXX locking */ 72751172f62SAdrian Chadd TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 72851172f62SAdrian Chadd if (vap->iv_state < IEEE80211_S_RUN) 72951172f62SAdrian Chadd continue; 73051172f62SAdrian Chadd switch (vap->iv_opmode) { 73151172f62SAdrian Chadd case IEEE80211_M_WDS: 73251172f62SAdrian Chadd case IEEE80211_M_STA: 73351172f62SAdrian Chadd case IEEE80211_M_AHDEMO: 73451172f62SAdrian Chadd case IEEE80211_M_HOSTAP: 73551172f62SAdrian Chadd case IEEE80211_M_IBSS: 73651172f62SAdrian Chadd case IEEE80211_M_MBSS: 73751172f62SAdrian Chadd flags |= ieee80211_vhtchanflags(vap->iv_bss->ni_chan); 73851172f62SAdrian Chadd break; 73951172f62SAdrian Chadd default: 74051172f62SAdrian Chadd break; 74151172f62SAdrian Chadd } 74251172f62SAdrian Chadd } 74351172f62SAdrian Chadd return flags; 74451172f62SAdrian Chadd } 74551172f62SAdrian Chadd 74651172f62SAdrian Chadd /* 747b032f27cSSam Leffler * Check if the current channel needs to change based on whether 7485d44f8c0SSam Leffler * any vap's are using HT20/HT40. This is used to sync the state 7495d44f8c0SSam Leffler * of ic_curchan after a channel width change on a running vap. 75051172f62SAdrian Chadd * 75151172f62SAdrian Chadd * Same applies for VHT. 7521b6167d2SSam Leffler */ 7531b6167d2SSam Leffler void 754b032f27cSSam Leffler ieee80211_sync_curchan(struct ieee80211com *ic) 7551b6167d2SSam Leffler { 756b032f27cSSam Leffler struct ieee80211_channel *c; 757b032f27cSSam Leffler 758b032f27cSSam Leffler c = ieee80211_ht_adjust_channel(ic, ic->ic_curchan, gethtadjustflags(ic)); 75951172f62SAdrian Chadd c = ieee80211_vht_adjust_channel(ic, c, getvhtadjustflags(ic)); 76051172f62SAdrian Chadd 761b032f27cSSam Leffler if (c != ic->ic_curchan) { 762b032f27cSSam Leffler ic->ic_curchan = c; 763b032f27cSSam Leffler ic->ic_curmode = ieee80211_chan2mode(ic->ic_curchan); 76426d39e2cSSam Leffler ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 7655efea30fSAndrew Thompson IEEE80211_UNLOCK(ic); 766b032f27cSSam Leffler ic->ic_set_channel(ic); 7675463c4a4SSam Leffler ieee80211_radiotap_chan_change(ic); 7685efea30fSAndrew Thompson IEEE80211_LOCK(ic); 769b032f27cSSam Leffler } 770b032f27cSSam Leffler } 771b032f27cSSam Leffler 772b032f27cSSam Leffler /* 7735efea30fSAndrew Thompson * Setup the current channel. The request channel may be 774b032f27cSSam Leffler * promoted if other vap's are operating with HT20/HT40. 775b032f27cSSam Leffler */ 776b032f27cSSam Leffler void 7775efea30fSAndrew Thompson ieee80211_setupcurchan(struct ieee80211com *ic, struct ieee80211_channel *c) 778b032f27cSSam Leffler { 779b032f27cSSam Leffler if (ic->ic_htcaps & IEEE80211_HTC_HT) { 780b032f27cSSam Leffler int flags = gethtadjustflags(ic); 781b032f27cSSam Leffler /* 782b032f27cSSam Leffler * Check for channel promotion required to support the 783b032f27cSSam Leffler * set of running vap's. This assumes we are called 784b032f27cSSam Leffler * after ni_chan is setup for each vap. 785b032f27cSSam Leffler */ 78651172f62SAdrian Chadd /* XXX VHT? */ 7872bfc8a91SSam Leffler /* NB: this assumes IEEE80211_FHT_USEHT40 > IEEE80211_FHT_HT */ 788b032f27cSSam Leffler if (flags > ieee80211_htchanflags(c)) 789b032f27cSSam Leffler c = ieee80211_ht_adjust_channel(ic, c, flags); 790b032f27cSSam Leffler } 79151172f62SAdrian Chadd 79251172f62SAdrian Chadd /* 79351172f62SAdrian Chadd * VHT promotion - this will at least promote to VHT20/40 79451172f62SAdrian Chadd * based on what HT has done; it may further promote the 79551172f62SAdrian Chadd * channel to VHT80 or above. 79651172f62SAdrian Chadd */ 79751172f62SAdrian Chadd if (ic->ic_vhtcaps != 0) { 79851172f62SAdrian Chadd int flags = getvhtadjustflags(ic); 79951172f62SAdrian Chadd if (flags > ieee80211_vhtchanflags(c)) 80051172f62SAdrian Chadd c = ieee80211_vht_adjust_channel(ic, c, flags); 80151172f62SAdrian Chadd } 80251172f62SAdrian Chadd 803b032f27cSSam Leffler ic->ic_bsschan = ic->ic_curchan = c; 8041b6167d2SSam Leffler ic->ic_curmode = ieee80211_chan2mode(ic->ic_curchan); 80526d39e2cSSam Leffler ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 8065efea30fSAndrew Thompson } 8075efea30fSAndrew Thompson 8085efea30fSAndrew Thompson /* 8095efea30fSAndrew Thompson * Change the current channel. The channel change is guaranteed to have 8105efea30fSAndrew Thompson * happened before the next state change. 8115efea30fSAndrew Thompson */ 8125efea30fSAndrew Thompson void 8135efea30fSAndrew Thompson ieee80211_setcurchan(struct ieee80211com *ic, struct ieee80211_channel *c) 8145efea30fSAndrew Thompson { 8155efea30fSAndrew Thompson ieee80211_setupcurchan(ic, c); 8165efea30fSAndrew Thompson ieee80211_runtask(ic, &ic->ic_chan_task); 8171b6167d2SSam Leffler } 8181b6167d2SSam Leffler 819b94299c4SAdrian Chadd void 820b94299c4SAdrian Chadd ieee80211_update_chw(struct ieee80211com *ic) 821b94299c4SAdrian Chadd { 822b94299c4SAdrian Chadd 823b94299c4SAdrian Chadd ieee80211_setupcurchan(ic, ic->ic_curchan); 824b94299c4SAdrian Chadd ieee80211_runtask(ic, &ic->ic_chw_task); 825b94299c4SAdrian Chadd } 826b94299c4SAdrian Chadd 8271b6167d2SSam Leffler /* 8288a1b9b6aSSam Leffler * Join the specified IBSS/BSS network. The node is assumed to 8298a1b9b6aSSam Leffler * be passed in with a held reference. 8308a1b9b6aSSam Leffler */ 83168e8e04eSSam Leffler static int 83268e8e04eSSam Leffler ieee80211_sta_join1(struct ieee80211_node *selbs) 8338a1b9b6aSSam Leffler { 834b032f27cSSam Leffler struct ieee80211vap *vap = selbs->ni_vap; 83568e8e04eSSam Leffler struct ieee80211com *ic = selbs->ni_ic; 8368a1b9b6aSSam Leffler struct ieee80211_node *obss; 83768e8e04eSSam Leffler int canreassoc; 8388a1b9b6aSSam Leffler 8398a1b9b6aSSam Leffler /* 8408a1b9b6aSSam Leffler * Committed to selbs, setup state. 8418a1b9b6aSSam Leffler */ 842b032f27cSSam Leffler obss = vap->iv_bss; 84368e8e04eSSam Leffler /* 84468e8e04eSSam Leffler * Check if old+new node have the same address in which 84568e8e04eSSam Leffler * case we can reassociate when operating in sta mode. 84668e8e04eSSam Leffler */ 84768e8e04eSSam Leffler canreassoc = (obss != NULL && 848b032f27cSSam Leffler vap->iv_state == IEEE80211_S_RUN && 84968e8e04eSSam Leffler IEEE80211_ADDR_EQ(obss->ni_macaddr, selbs->ni_macaddr)); 850b032f27cSSam Leffler vap->iv_bss = selbs; /* NB: caller assumed to bump refcnt */ 8511fd2349dSSam Leffler if (obss != NULL) { 8528a055831SAdrian Chadd struct ieee80211_node_table *nt = obss->ni_table; 8538a055831SAdrian Chadd 8541fd2349dSSam Leffler copy_bss(selbs, obss); 85547a7b0faSSam Leffler ieee80211_node_decref(obss); /* iv_bss reference */ 8568a055831SAdrian Chadd 8578a055831SAdrian Chadd IEEE80211_NODE_LOCK(nt); 8588a055831SAdrian Chadd node_reclaim(nt, obss); /* station table reference */ 8598a055831SAdrian Chadd IEEE80211_NODE_UNLOCK(nt); 8608a055831SAdrian Chadd 861b032f27cSSam Leffler obss = NULL; /* NB: guard against later use */ 8621fd2349dSSam Leffler } 86379edaebfSSam Leffler 86479edaebfSSam Leffler /* 86579edaebfSSam Leffler * Delete unusable rates; we've already checked 86679edaebfSSam Leffler * that the negotiated rate set is acceptable. 86779edaebfSSam Leffler */ 868b032f27cSSam Leffler ieee80211_fix_rate(vap->iv_bss, &vap->iv_bss->ni_rates, 86970e28b9aSSam Leffler IEEE80211_F_DODEL | IEEE80211_F_JOIN); 87079edaebfSSam Leffler 871b032f27cSSam Leffler ieee80211_setcurchan(ic, selbs->ni_chan); 8728a1b9b6aSSam Leffler /* 8738a1b9b6aSSam Leffler * Set the erp state (mostly the slot time) to deal with 8748a1b9b6aSSam Leffler * the auto-select case; this should be redundant if the 8758a1b9b6aSSam Leffler * mode is locked. 8768a1b9b6aSSam Leffler */ 8778a1b9b6aSSam Leffler ieee80211_reset_erp(ic); 878b032f27cSSam Leffler ieee80211_wme_initparams(vap); 879acc4f7f5SSam Leffler 880b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_STA) { 88168e8e04eSSam Leffler if (canreassoc) { 88268e8e04eSSam Leffler /* Reassociate */ 883b032f27cSSam Leffler ieee80211_new_state(vap, IEEE80211_S_ASSOC, 1); 88468e8e04eSSam Leffler } else { 88568e8e04eSSam Leffler /* 88668e8e04eSSam Leffler * Act as if we received a DEAUTH frame in case we 88768e8e04eSSam Leffler * are invoked from the RUN state. This will cause 88868e8e04eSSam Leffler * us to try to re-authenticate if we are operating 88968e8e04eSSam Leffler * as a station. 89068e8e04eSSam Leffler */ 891b032f27cSSam Leffler ieee80211_new_state(vap, IEEE80211_S_AUTH, 89268e8e04eSSam Leffler IEEE80211_FC0_SUBTYPE_DEAUTH); 89368e8e04eSSam Leffler } 89468e8e04eSSam Leffler } else 895b032f27cSSam Leffler ieee80211_new_state(vap, IEEE80211_S_RUN, -1); 8968a1b9b6aSSam Leffler return 1; 8978a1b9b6aSSam Leffler } 8988a1b9b6aSSam Leffler 89968e8e04eSSam Leffler int 90010959256SSam Leffler ieee80211_sta_join(struct ieee80211vap *vap, struct ieee80211_channel *chan, 90168e8e04eSSam Leffler const struct ieee80211_scan_entry *se) 90268e8e04eSSam Leffler { 903b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 90468e8e04eSSam Leffler struct ieee80211_node *ni; 90551172f62SAdrian Chadd int do_ht = 0; 90668e8e04eSSam Leffler 907b032f27cSSam Leffler ni = ieee80211_alloc_node(&ic->ic_sta, vap, se->se_macaddr); 90868e8e04eSSam Leffler if (ni == NULL) { 90968e8e04eSSam Leffler /* XXX msg */ 91068e8e04eSSam Leffler return 0; 91168e8e04eSSam Leffler } 912d71a1f7aSAdrian Chadd 91368e8e04eSSam Leffler /* 91468e8e04eSSam Leffler * Expand scan state into node's format. 91568e8e04eSSam Leffler * XXX may not need all this stuff 91668e8e04eSSam Leffler */ 91768e8e04eSSam Leffler IEEE80211_ADDR_COPY(ni->ni_bssid, se->se_bssid); 91868e8e04eSSam Leffler ni->ni_esslen = se->se_ssid[1]; 91968e8e04eSSam Leffler memcpy(ni->ni_essid, se->se_ssid+2, ni->ni_esslen); 92068e8e04eSSam Leffler ni->ni_tstamp.tsf = se->se_tstamp.tsf; 92168e8e04eSSam Leffler ni->ni_intval = se->se_intval; 92268e8e04eSSam Leffler ni->ni_capinfo = se->se_capinfo; 92310959256SSam Leffler ni->ni_chan = chan; 92468e8e04eSSam Leffler ni->ni_timoff = se->se_timoff; 92568e8e04eSSam Leffler ni->ni_fhdwell = se->se_fhdwell; 92668e8e04eSSam Leffler ni->ni_fhindex = se->se_fhindex; 92768e8e04eSSam Leffler ni->ni_erp = se->se_erp; 928b032f27cSSam Leffler IEEE80211_RSSI_LPF(ni->ni_avgrssi, se->se_rssi); 92968e8e04eSSam Leffler ni->ni_noise = se->se_noise; 9306ca74c40SSam Leffler if (vap->iv_opmode == IEEE80211_M_STA) { 9316ca74c40SSam Leffler /* NB: only infrastructure mode requires an associd */ 9321b999d64SSam Leffler ni->ni_flags |= IEEE80211_NODE_ASSOCID; 9336ca74c40SSam Leffler } 93468e8e04eSSam Leffler 935b032f27cSSam Leffler if (ieee80211_ies_init(&ni->ni_ies, se->se_ies.data, se->se_ies.len)) { 936b032f27cSSam Leffler ieee80211_ies_expand(&ni->ni_ies); 937616190d0SSam Leffler #ifdef IEEE80211_SUPPORT_SUPERG 938b032f27cSSam Leffler if (ni->ni_ies.ath_ie != NULL) 939b032f27cSSam Leffler ieee80211_parse_ath(ni, ni->ni_ies.ath_ie); 940616190d0SSam Leffler #endif 941b032f27cSSam Leffler if (ni->ni_ies.htcap_ie != NULL) 942b032f27cSSam Leffler ieee80211_parse_htcap(ni, ni->ni_ies.htcap_ie); 943b032f27cSSam Leffler if (ni->ni_ies.htinfo_ie != NULL) 944b032f27cSSam Leffler ieee80211_parse_htinfo(ni, ni->ni_ies.htinfo_ie); 94559aa14a9SRui Paulo #ifdef IEEE80211_SUPPORT_MESH 94659aa14a9SRui Paulo if (ni->ni_ies.meshid_ie != NULL) 94759aa14a9SRui Paulo ieee80211_parse_meshid(ni, ni->ni_ies.meshid_ie); 94859aa14a9SRui Paulo #endif 94910ad9a77SSam Leffler #ifdef IEEE80211_SUPPORT_TDMA 95010ad9a77SSam Leffler if (ni->ni_ies.tdma_ie != NULL) 95110ad9a77SSam Leffler ieee80211_parse_tdma(ni, ni->ni_ies.tdma_ie); 95210ad9a77SSam Leffler #endif 95351172f62SAdrian Chadd if (ni->ni_ies.vhtcap_ie != NULL) 95451172f62SAdrian Chadd ieee80211_parse_vhtcap(ni, ni->ni_ies.vhtcap_ie); 95551172f62SAdrian Chadd if (ni->ni_ies.vhtopmode_ie != NULL) 95651172f62SAdrian Chadd ieee80211_parse_vhtopmode(ni, ni->ni_ies.vhtopmode_ie); 95774a54be9SAdrian Chadd 95874a54be9SAdrian Chadd /* XXX parse BSSLOAD IE */ 95951172f62SAdrian Chadd /* XXX parse TXPWRENV IE */ 96074a54be9SAdrian Chadd /* XXX parse APCHANREP IE */ 961b032f27cSSam Leffler } 962b032f27cSSam Leffler 963b032f27cSSam Leffler vap->iv_dtim_period = se->se_dtimperiod; 964b032f27cSSam Leffler vap->iv_dtim_count = 0; 96568e8e04eSSam Leffler 96668e8e04eSSam Leffler /* NB: must be after ni_chan is setup */ 96768e8e04eSSam Leffler ieee80211_setup_rates(ni, se->se_rates, se->se_xrates, 96868e8e04eSSam Leffler IEEE80211_F_DOSORT); 969dfcd1f4dSSam Leffler if (ieee80211_iserp_rateset(&ni->ni_rates)) 970dfcd1f4dSSam Leffler ni->ni_flags |= IEEE80211_NODE_ERP; 971d71a1f7aSAdrian Chadd 972d71a1f7aSAdrian Chadd /* 973d71a1f7aSAdrian Chadd * Setup HT state for this node if it's available, otherwise 974d71a1f7aSAdrian Chadd * non-STA modes won't pick this state up. 975d71a1f7aSAdrian Chadd * 976d71a1f7aSAdrian Chadd * For IBSS and related modes that don't go through an 977d71a1f7aSAdrian Chadd * association request/response, the only appropriate place 978d71a1f7aSAdrian Chadd * to setup the HT state is here. 979d71a1f7aSAdrian Chadd */ 980d71a1f7aSAdrian Chadd if (ni->ni_ies.htinfo_ie != NULL && 981d71a1f7aSAdrian Chadd ni->ni_ies.htcap_ie != NULL && 982d71a1f7aSAdrian Chadd vap->iv_flags_ht & IEEE80211_FHT_HT) { 983d71a1f7aSAdrian Chadd ieee80211_ht_node_init(ni); 984d71a1f7aSAdrian Chadd ieee80211_ht_updateparams(ni, 985d71a1f7aSAdrian Chadd ni->ni_ies.htcap_ie, 986d71a1f7aSAdrian Chadd ni->ni_ies.htinfo_ie); 98751172f62SAdrian Chadd do_ht = 1; 98851172f62SAdrian Chadd } 98951172f62SAdrian Chadd 99051172f62SAdrian Chadd /* 99151172f62SAdrian Chadd * Setup VHT state for this node if it's available. 99251172f62SAdrian Chadd * Same as the above. 99351172f62SAdrian Chadd * 99451172f62SAdrian Chadd * For now, don't allow 2GHz VHT operation. 99551172f62SAdrian Chadd */ 99651172f62SAdrian Chadd if (ni->ni_ies.vhtopmode_ie != NULL && 99751172f62SAdrian Chadd ni->ni_ies.vhtcap_ie != NULL && 99851172f62SAdrian Chadd vap->iv_flags_vht & IEEE80211_FVHT_VHT) { 99951172f62SAdrian Chadd if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) { 100051172f62SAdrian Chadd printf("%s: BSS %6D: 2GHz channel, VHT info; ignoring\n", 100151172f62SAdrian Chadd __func__, 100251172f62SAdrian Chadd ni->ni_macaddr, 100351172f62SAdrian Chadd ":"); 100451172f62SAdrian Chadd } else { 100551172f62SAdrian Chadd ieee80211_vht_node_init(ni); 100651172f62SAdrian Chadd ieee80211_vht_updateparams(ni, 100751172f62SAdrian Chadd ni->ni_ies.vhtcap_ie, 100851172f62SAdrian Chadd ni->ni_ies.vhtopmode_ie); 100951172f62SAdrian Chadd ieee80211_setup_vht_rates(ni, ni->ni_ies.vhtcap_ie, 101051172f62SAdrian Chadd ni->ni_ies.vhtopmode_ie); 101151172f62SAdrian Chadd do_ht = 1; 101251172f62SAdrian Chadd } 101351172f62SAdrian Chadd } 101451172f62SAdrian Chadd 101551172f62SAdrian Chadd /* Finally do the node channel change */ 101651172f62SAdrian Chadd if (do_ht) { 101751172f62SAdrian Chadd ieee80211_ht_updateparams_final(ni, ni->ni_ies.htcap_ie, 101851172f62SAdrian Chadd ni->ni_ies.htinfo_ie); 1019d71a1f7aSAdrian Chadd ieee80211_setup_htrates(ni, ni->ni_ies.htcap_ie, 1020d71a1f7aSAdrian Chadd IEEE80211_F_JOIN | IEEE80211_F_DOBRS); 1021d71a1f7aSAdrian Chadd ieee80211_setup_basic_htrates(ni, ni->ni_ies.htinfo_ie); 1022d71a1f7aSAdrian Chadd } 102351172f62SAdrian Chadd 1024d71a1f7aSAdrian Chadd /* XXX else check for ath FF? */ 1025d71a1f7aSAdrian Chadd /* XXX QoS? Difficult given that WME config is specific to a master */ 1026d71a1f7aSAdrian Chadd 1027d77148fbSSam Leffler ieee80211_node_setuptxparms(ni); 102849d2c137SBernhard Schmidt ieee80211_ratectl_node_init(ni); 102968e8e04eSSam Leffler 103068e8e04eSSam Leffler return ieee80211_sta_join1(ieee80211_ref_node(ni)); 103168e8e04eSSam Leffler } 103268e8e04eSSam Leffler 10338a1b9b6aSSam Leffler /* 10348a1b9b6aSSam Leffler * Leave the specified IBSS/BSS network. The node is assumed to 10358a1b9b6aSSam Leffler * be passed in with a held reference. 10368a1b9b6aSSam Leffler */ 10378a1b9b6aSSam Leffler void 1038b032f27cSSam Leffler ieee80211_sta_leave(struct ieee80211_node *ni) 10398a1b9b6aSSam Leffler { 1040b032f27cSSam Leffler struct ieee80211com *ic = ni->ni_ic; 1041b032f27cSSam Leffler 10428a1b9b6aSSam Leffler ic->ic_node_cleanup(ni); 1043b032f27cSSam Leffler ieee80211_notify_node_leave(ni); 1044b032f27cSSam Leffler } 1045b032f27cSSam Leffler 1046b032f27cSSam Leffler /* 1047b032f27cSSam Leffler * Send a deauthenticate frame and drop the station. 1048b032f27cSSam Leffler */ 1049b032f27cSSam Leffler void 1050b032f27cSSam Leffler ieee80211_node_deauth(struct ieee80211_node *ni, int reason) 1051b032f27cSSam Leffler { 1052eca3b4fcSAdrian Chadd /* NB: bump the refcnt to be sure temporary nodes are not reclaimed */ 1053b032f27cSSam Leffler ieee80211_ref_node(ni); 1054b032f27cSSam Leffler if (ni->ni_associd != 0) 1055b032f27cSSam Leffler IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1056b032f27cSSam Leffler ieee80211_node_leave(ni); 1057b032f27cSSam Leffler ieee80211_free_node(ni); 10588a1b9b6aSSam Leffler } 10598a1b9b6aSSam Leffler 10601a1e1d21SSam Leffler static struct ieee80211_node * 106138c208f8SSam Leffler node_alloc(struct ieee80211vap *vap, const uint8_t macaddr[IEEE80211_ADDR_LEN]) 10621a1e1d21SSam Leffler { 1063410ca74bSSam Leffler struct ieee80211_node *ni; 10648a1b9b6aSSam Leffler 1065b9b53389SAdrian Chadd ni = (struct ieee80211_node *) IEEE80211_MALLOC(sizeof(struct ieee80211_node), 1066b9b53389SAdrian Chadd M_80211_NODE, IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1067410ca74bSSam Leffler return ni; 10681a1e1d21SSam Leffler } 10691a1e1d21SSam Leffler 10708a1b9b6aSSam Leffler /* 1071b032f27cSSam Leffler * Initialize an ie blob with the specified data. If previous 1072b032f27cSSam Leffler * data exists re-use the data block. As a side effect we clear 1073b032f27cSSam Leffler * all references to specific ie's; the caller is required to 1074b032f27cSSam Leffler * recalculate them. 1075b032f27cSSam Leffler */ 1076b032f27cSSam Leffler int 1077b032f27cSSam Leffler ieee80211_ies_init(struct ieee80211_ies *ies, const uint8_t *data, int len) 1078b032f27cSSam Leffler { 1079b032f27cSSam Leffler /* NB: assumes data+len are the last fields */ 1080b032f27cSSam Leffler memset(ies, 0, offsetof(struct ieee80211_ies, data)); 1081b032f27cSSam Leffler if (ies->data != NULL && ies->len != len) { 1082b032f27cSSam Leffler /* data size changed */ 1083b9b53389SAdrian Chadd IEEE80211_FREE(ies->data, M_80211_NODE_IE); 1084b032f27cSSam Leffler ies->data = NULL; 1085b032f27cSSam Leffler } 1086b032f27cSSam Leffler if (ies->data == NULL) { 1087b9b53389SAdrian Chadd ies->data = (uint8_t *) IEEE80211_MALLOC(len, M_80211_NODE_IE, 1088b9b53389SAdrian Chadd IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1089b032f27cSSam Leffler if (ies->data == NULL) { 1090b032f27cSSam Leffler ies->len = 0; 1091b032f27cSSam Leffler /* NB: pointers have already been zero'd above */ 1092b032f27cSSam Leffler return 0; 1093b032f27cSSam Leffler } 1094b032f27cSSam Leffler } 1095b032f27cSSam Leffler memcpy(ies->data, data, len); 1096b032f27cSSam Leffler ies->len = len; 1097b032f27cSSam Leffler return 1; 1098b032f27cSSam Leffler } 1099b032f27cSSam Leffler 1100b032f27cSSam Leffler /* 1101b032f27cSSam Leffler * Reclaim storage for an ie blob. 1102b032f27cSSam Leffler */ 1103b032f27cSSam Leffler void 1104b032f27cSSam Leffler ieee80211_ies_cleanup(struct ieee80211_ies *ies) 1105b032f27cSSam Leffler { 1106b032f27cSSam Leffler if (ies->data != NULL) 1107b9b53389SAdrian Chadd IEEE80211_FREE(ies->data, M_80211_NODE_IE); 1108b032f27cSSam Leffler } 1109b032f27cSSam Leffler 1110b032f27cSSam Leffler /* 1111b032f27cSSam Leffler * Expand an ie blob data contents and to fillin individual 1112b032f27cSSam Leffler * ie pointers. The data blob is assumed to be well-formed; 1113b032f27cSSam Leffler * we don't do any validity checking of ie lengths. 1114b032f27cSSam Leffler */ 1115b032f27cSSam Leffler void 1116b032f27cSSam Leffler ieee80211_ies_expand(struct ieee80211_ies *ies) 1117b032f27cSSam Leffler { 1118b032f27cSSam Leffler uint8_t *ie; 1119b032f27cSSam Leffler int ielen; 1120b032f27cSSam Leffler 1121b032f27cSSam Leffler ie = ies->data; 1122b032f27cSSam Leffler ielen = ies->len; 1123b032f27cSSam Leffler while (ielen > 0) { 1124b032f27cSSam Leffler switch (ie[0]) { 1125b032f27cSSam Leffler case IEEE80211_ELEMID_VENDOR: 1126b032f27cSSam Leffler if (iswpaoui(ie)) 1127b032f27cSSam Leffler ies->wpa_ie = ie; 1128b032f27cSSam Leffler else if (iswmeoui(ie)) 1129b032f27cSSam Leffler ies->wme_ie = ie; 1130616190d0SSam Leffler #ifdef IEEE80211_SUPPORT_SUPERG 1131b032f27cSSam Leffler else if (isatherosoui(ie)) 1132b032f27cSSam Leffler ies->ath_ie = ie; 1133616190d0SSam Leffler #endif 113410ad9a77SSam Leffler #ifdef IEEE80211_SUPPORT_TDMA 113510ad9a77SSam Leffler else if (istdmaoui(ie)) 113610ad9a77SSam Leffler ies->tdma_ie = ie; 113710ad9a77SSam Leffler #endif 1138b032f27cSSam Leffler break; 1139b032f27cSSam Leffler case IEEE80211_ELEMID_RSN: 1140b032f27cSSam Leffler ies->rsn_ie = ie; 1141b032f27cSSam Leffler break; 1142b032f27cSSam Leffler case IEEE80211_ELEMID_HTCAP: 1143b032f27cSSam Leffler ies->htcap_ie = ie; 1144b032f27cSSam Leffler break; 1145d71a1f7aSAdrian Chadd case IEEE80211_ELEMID_HTINFO: 1146d71a1f7aSAdrian Chadd ies->htinfo_ie = ie; 1147d71a1f7aSAdrian Chadd break; 114859aa14a9SRui Paulo #ifdef IEEE80211_SUPPORT_MESH 114959aa14a9SRui Paulo case IEEE80211_ELEMID_MESHID: 115059aa14a9SRui Paulo ies->meshid_ie = ie; 115159aa14a9SRui Paulo break; 115259aa14a9SRui Paulo #endif 115374a54be9SAdrian Chadd case IEEE80211_ELEMID_VHT_CAP: 115474a54be9SAdrian Chadd ies->vhtcap_ie = ie; 115574a54be9SAdrian Chadd break; 115674a54be9SAdrian Chadd case IEEE80211_ELEMID_VHT_OPMODE: 115774a54be9SAdrian Chadd ies->vhtopmode_ie = ie; 115874a54be9SAdrian Chadd break; 115974a54be9SAdrian Chadd case IEEE80211_ELEMID_VHT_PWR_ENV: 116074a54be9SAdrian Chadd ies->vhtpwrenv_ie = ie; 116174a54be9SAdrian Chadd break; 116274a54be9SAdrian Chadd case IEEE80211_ELEMID_BSSLOAD: 116374a54be9SAdrian Chadd ies->bssload_ie = ie; 116474a54be9SAdrian Chadd break; 116574a54be9SAdrian Chadd case IEEE80211_ELEMID_APCHANREP: 116674a54be9SAdrian Chadd ies->apchanrep_ie = ie; 116774a54be9SAdrian Chadd break; 1168b032f27cSSam Leffler } 1169b032f27cSSam Leffler ielen -= 2 + ie[1]; 1170b032f27cSSam Leffler ie += 2 + ie[1]; 1171b032f27cSSam Leffler } 1172b032f27cSSam Leffler } 1173b032f27cSSam Leffler 1174b032f27cSSam Leffler /* 11758a1b9b6aSSam Leffler * Reclaim any resources in a node and reset any critical 11768a1b9b6aSSam Leffler * state. Typically nodes are free'd immediately after, 11778a1b9b6aSSam Leffler * but in some cases the storage may be reused so we need 11788a1b9b6aSSam Leffler * to insure consistent state (should probably fix that). 11798a1b9b6aSSam Leffler */ 11801a1e1d21SSam Leffler static void 11818a1b9b6aSSam Leffler node_cleanup(struct ieee80211_node *ni) 11821a1e1d21SSam Leffler { 1183b032f27cSSam Leffler struct ieee80211vap *vap = ni->ni_vap; 11845b16c28cSSam Leffler struct ieee80211com *ic = ni->ni_ic; 118568e8e04eSSam Leffler int i; 11868a1b9b6aSSam Leffler 11878a1b9b6aSSam Leffler /* NB: preserve ni_table */ 11888a1b9b6aSSam Leffler if (ni->ni_flags & IEEE80211_NODE_PWR_MGT) { 1189b032f27cSSam Leffler if (vap->iv_opmode != IEEE80211_M_STA) 1190b032f27cSSam Leffler vap->iv_ps_sta--; 11918a1b9b6aSSam Leffler ni->ni_flags &= ~IEEE80211_NODE_PWR_MGT; 1192b032f27cSSam Leffler IEEE80211_NOTE(vap, IEEE80211_MSG_POWER, ni, 1193b032f27cSSam Leffler "power save mode off, %u sta's in ps mode", vap->iv_ps_sta); 11948a1b9b6aSSam Leffler } 1195ebdda46cSSam Leffler /* 119651172f62SAdrian Chadd * Cleanup any VHT and HT-related state. 11971b6167d2SSam Leffler */ 119851172f62SAdrian Chadd if (ni->ni_flags & IEEE80211_NODE_VHT) 119951172f62SAdrian Chadd ieee80211_vht_node_cleanup(ni); 12001b6167d2SSam Leffler if (ni->ni_flags & IEEE80211_NODE_HT) 12011b6167d2SSam Leffler ieee80211_ht_node_cleanup(ni); 1202339ccfb3SSam Leffler #ifdef IEEE80211_SUPPORT_SUPERG 12031c7b0c84SAdrian Chadd /* Always do FF node cleanup; for A-MSDU */ 1204339ccfb3SSam Leffler ieee80211_ff_node_cleanup(ni); 1205339ccfb3SSam Leffler #endif 120659aa14a9SRui Paulo #ifdef IEEE80211_SUPPORT_MESH 120759aa14a9SRui Paulo /* 120859aa14a9SRui Paulo * Cleanup any mesh-related state. 120959aa14a9SRui Paulo */ 121059aa14a9SRui Paulo if (vap->iv_opmode == IEEE80211_M_MBSS) 121159aa14a9SRui Paulo ieee80211_mesh_node_cleanup(ni); 121259aa14a9SRui Paulo #endif 12131b6167d2SSam Leffler /* 12145b16c28cSSam Leffler * Clear any staging queue entries. 12155b16c28cSSam Leffler */ 12165b16c28cSSam Leffler ieee80211_ageq_drain_node(&ic->ic_stageq, ni); 12175b16c28cSSam Leffler 12185b16c28cSSam Leffler /* 1219ebdda46cSSam Leffler * Clear AREF flag that marks the authorization refcnt bump 1220ebdda46cSSam Leffler * has happened. This is probably not needed as the node 1221ebdda46cSSam Leffler * should always be removed from the table so not found but 1222ebdda46cSSam Leffler * do it just in case. 12231b999d64SSam Leffler * Likewise clear the ASSOCID flag as these flags are intended 12241b999d64SSam Leffler * to be managed in tandem. 1225ebdda46cSSam Leffler */ 12261b999d64SSam Leffler ni->ni_flags &= ~(IEEE80211_NODE_AREF | IEEE80211_NODE_ASSOCID); 12278a1b9b6aSSam Leffler 12288a1b9b6aSSam Leffler /* 12298a1b9b6aSSam Leffler * Drain power save queue and, if needed, clear TIM. 12308a1b9b6aSSam Leffler */ 123163092fceSSam Leffler if (ieee80211_node_psq_drain(ni) != 0 && vap->iv_set_tim != NULL) 1232b032f27cSSam Leffler vap->iv_set_tim(ni, 0); 12338a1b9b6aSSam Leffler 12348a1b9b6aSSam Leffler ni->ni_associd = 0; 12358a1b9b6aSSam Leffler if (ni->ni_challenge != NULL) { 1236b9b53389SAdrian Chadd IEEE80211_FREE(ni->ni_challenge, M_80211_NODE); 12378a1b9b6aSSam Leffler ni->ni_challenge = NULL; 12388a1b9b6aSSam Leffler } 12398a1b9b6aSSam Leffler /* 12408a1b9b6aSSam Leffler * Preserve SSID, WPA, and WME ie's so the bss node is 12418a1b9b6aSSam Leffler * reusable during a re-auth/re-assoc state transition. 12428a1b9b6aSSam Leffler * If we remove these data they will not be recreated 12438a1b9b6aSSam Leffler * because they come from a probe-response or beacon frame 12448a1b9b6aSSam Leffler * which cannot be expected prior to the association-response. 12458a1b9b6aSSam Leffler * This should not be an issue when operating in other modes 12468a1b9b6aSSam Leffler * as stations leaving always go through a full state transition 12478a1b9b6aSSam Leffler * which will rebuild this state. 12488a1b9b6aSSam Leffler * 12498a1b9b6aSSam Leffler * XXX does this leave us open to inheriting old state? 12508a1b9b6aSSam Leffler */ 1251a3e08d6fSRui Paulo for (i = 0; i < nitems(ni->ni_rxfrag); i++) 12528a1b9b6aSSam Leffler if (ni->ni_rxfrag[i] != NULL) { 12538a1b9b6aSSam Leffler m_freem(ni->ni_rxfrag[i]); 12548a1b9b6aSSam Leffler ni->ni_rxfrag[i] = NULL; 12558a1b9b6aSSam Leffler } 1256c1225b52SSam Leffler /* 1257c1225b52SSam Leffler * Must be careful here to remove any key map entry w/o a LOR. 1258c1225b52SSam Leffler */ 1259c1225b52SSam Leffler ieee80211_node_delucastkey(ni); 12608a1b9b6aSSam Leffler } 12618a1b9b6aSSam Leffler 12628a1b9b6aSSam Leffler static void 12638a1b9b6aSSam Leffler node_free(struct ieee80211_node *ni) 12648a1b9b6aSSam Leffler { 12658a1b9b6aSSam Leffler struct ieee80211com *ic = ni->ni_ic; 12668a1b9b6aSSam Leffler 1267b6108616SRui Paulo ieee80211_ratectl_node_deinit(ni); 12688a1b9b6aSSam Leffler ic->ic_node_cleanup(ni); 1269b032f27cSSam Leffler ieee80211_ies_cleanup(&ni->ni_ies); 127063092fceSSam Leffler ieee80211_psq_cleanup(&ni->ni_psq); 1271b9b53389SAdrian Chadd IEEE80211_FREE(ni, M_80211_NODE); 12721a1e1d21SSam Leffler } 12731a1e1d21SSam Leffler 1274b032f27cSSam Leffler static void 1275b032f27cSSam Leffler node_age(struct ieee80211_node *ni) 1276b032f27cSSam Leffler { 1277b032f27cSSam Leffler struct ieee80211vap *vap = ni->ni_vap; 12785d44f8c0SSam Leffler 1279b032f27cSSam Leffler /* 1280b032f27cSSam Leffler * Age frames on the power save queue. 1281b032f27cSSam Leffler */ 128263092fceSSam Leffler if (ieee80211_node_psq_age(ni) != 0 && 128363092fceSSam Leffler ni->ni_psq.psq_len == 0 && vap->iv_set_tim != NULL) 1284b032f27cSSam Leffler vap->iv_set_tim(ni, 0); 1285b032f27cSSam Leffler /* 1286b032f27cSSam Leffler * Age out HT resources (e.g. frames on the 1287b032f27cSSam Leffler * A-MPDU reorder queues). 1288b032f27cSSam Leffler */ 1289b032f27cSSam Leffler if (ni->ni_associd != 0 && (ni->ni_flags & IEEE80211_NODE_HT)) 1290b032f27cSSam Leffler ieee80211_ht_node_age(ni); 1291b032f27cSSam Leffler } 1292b032f27cSSam Leffler 129368e8e04eSSam Leffler static int8_t 12948a1b9b6aSSam Leffler node_getrssi(const struct ieee80211_node *ni) 1295d1e61976SSam Leffler { 1296b032f27cSSam Leffler uint32_t avgrssi = ni->ni_avgrssi; 1297b032f27cSSam Leffler int32_t rssi; 1298b032f27cSSam Leffler 1299b032f27cSSam Leffler if (avgrssi == IEEE80211_RSSI_DUMMY_MARKER) 1300b032f27cSSam Leffler return 0; 1301b032f27cSSam Leffler rssi = IEEE80211_RSSI_GET(avgrssi); 1302b032f27cSSam Leffler return rssi < 0 ? 0 : rssi > 127 ? 127 : rssi; 1303d1e61976SSam Leffler } 1304d1e61976SSam Leffler 13051a1e1d21SSam Leffler static void 130668e8e04eSSam Leffler node_getsignal(const struct ieee80211_node *ni, int8_t *rssi, int8_t *noise) 130768e8e04eSSam Leffler { 1308b032f27cSSam Leffler *rssi = node_getrssi(ni); 130968e8e04eSSam Leffler *noise = ni->ni_noise; 131068e8e04eSSam Leffler } 131168e8e04eSSam Leffler 131268e8e04eSSam Leffler static void 1313b032f27cSSam Leffler node_getmimoinfo(const struct ieee80211_node *ni, 1314b032f27cSSam Leffler struct ieee80211_mimo_info *info) 1315b032f27cSSam Leffler { 1316864ab114SAdrian Chadd int i; 1317864ab114SAdrian Chadd uint32_t avgrssi; 1318864ab114SAdrian Chadd int32_t rssi; 1319864ab114SAdrian Chadd 1320864ab114SAdrian Chadd bzero(info, sizeof(*info)); 1321864ab114SAdrian Chadd 1322864ab114SAdrian Chadd for (i = 0; i < ni->ni_mimo_chains; i++) { 1323864ab114SAdrian Chadd avgrssi = ni->ni_mimo_rssi_ctl[i]; 1324864ab114SAdrian Chadd if (avgrssi == IEEE80211_RSSI_DUMMY_MARKER) { 132588e428c6SAdrian Chadd info->rssi[i] = 0; 1326864ab114SAdrian Chadd } else { 1327864ab114SAdrian Chadd rssi = IEEE80211_RSSI_GET(avgrssi); 132888e428c6SAdrian Chadd info->rssi[i] = rssi < 0 ? 0 : rssi > 127 ? 127 : rssi; 1329864ab114SAdrian Chadd } 133088e428c6SAdrian Chadd info->noise[i] = ni->ni_mimo_noise_ctl[i]; 133188e428c6SAdrian Chadd } 1332864ab114SAdrian Chadd 133388e428c6SAdrian Chadd /* XXX ext radios? */ 1334864ab114SAdrian Chadd 1335864ab114SAdrian Chadd /* XXX EVM? */ 1336b032f27cSSam Leffler } 1337b032f27cSSam Leffler 1338d2e877f0SAndriy Voskoboinyk static void 1339d2e877f0SAndriy Voskoboinyk ieee80211_add_node_nt(struct ieee80211_node_table *nt, 1340d2e877f0SAndriy Voskoboinyk struct ieee80211_node *ni) 1341d2e877f0SAndriy Voskoboinyk { 1342d2e877f0SAndriy Voskoboinyk struct ieee80211com *ic = nt->nt_ic; 1343d2e877f0SAndriy Voskoboinyk int hash; 1344d2e877f0SAndriy Voskoboinyk 1345d2e877f0SAndriy Voskoboinyk IEEE80211_NODE_LOCK_ASSERT(nt); 1346d2e877f0SAndriy Voskoboinyk 1347d2e877f0SAndriy Voskoboinyk hash = IEEE80211_NODE_HASH(ic, ni->ni_macaddr); 1348d2e877f0SAndriy Voskoboinyk (void) ic; /* XXX IEEE80211_NODE_HASH */ 1349d2e877f0SAndriy Voskoboinyk TAILQ_INSERT_TAIL(&nt->nt_node, ni, ni_list); 1350d2e877f0SAndriy Voskoboinyk LIST_INSERT_HEAD(&nt->nt_hash[hash], ni, ni_hash); 1351d2e877f0SAndriy Voskoboinyk nt->nt_count++; 1352d2e877f0SAndriy Voskoboinyk ni->ni_table = nt; 1353d2e877f0SAndriy Voskoboinyk } 1354d2e877f0SAndriy Voskoboinyk 1355d2e877f0SAndriy Voskoboinyk static void 1356d2e877f0SAndriy Voskoboinyk ieee80211_del_node_nt(struct ieee80211_node_table *nt, 1357d2e877f0SAndriy Voskoboinyk struct ieee80211_node *ni) 1358d2e877f0SAndriy Voskoboinyk { 1359d2e877f0SAndriy Voskoboinyk 1360d2e877f0SAndriy Voskoboinyk IEEE80211_NODE_LOCK_ASSERT(nt); 1361d2e877f0SAndriy Voskoboinyk 1362d2e877f0SAndriy Voskoboinyk TAILQ_REMOVE(&nt->nt_node, ni, ni_list); 1363d2e877f0SAndriy Voskoboinyk LIST_REMOVE(ni, ni_hash); 1364d2e877f0SAndriy Voskoboinyk nt->nt_count--; 1365d2e877f0SAndriy Voskoboinyk KASSERT(nt->nt_count >= 0, 1366d2e877f0SAndriy Voskoboinyk ("nt_count is negative (%d)!\n", nt->nt_count)); 1367d2e877f0SAndriy Voskoboinyk ni->ni_table = NULL; 1368d2e877f0SAndriy Voskoboinyk } 1369d2e877f0SAndriy Voskoboinyk 1370b032f27cSSam Leffler struct ieee80211_node * 1371b032f27cSSam Leffler ieee80211_alloc_node(struct ieee80211_node_table *nt, 1372b032f27cSSam Leffler struct ieee80211vap *vap, const uint8_t macaddr[IEEE80211_ADDR_LEN]) 13731a1e1d21SSam Leffler { 13748a1b9b6aSSam Leffler struct ieee80211com *ic = nt->nt_ic; 1375b032f27cSSam Leffler struct ieee80211_node *ni; 13761a1e1d21SSam Leffler 137738c208f8SSam Leffler ni = ic->ic_node_alloc(vap, macaddr); 1378b032f27cSSam Leffler if (ni == NULL) { 1379b032f27cSSam Leffler vap->iv_stats.is_rx_nodealloc++; 1380b032f27cSSam Leffler return NULL; 1381b032f27cSSam Leffler } 1382b032f27cSSam Leffler 1383b032f27cSSam Leffler IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE, 138449a15236SSam Leffler "%s %p<%s> in %s table\n", __func__, ni, 13858a1b9b6aSSam Leffler ether_sprintf(macaddr), nt->nt_name); 13868a1b9b6aSSam Leffler 13871a1e1d21SSam Leffler IEEE80211_ADDR_COPY(ni->ni_macaddr, macaddr); 13888a1b9b6aSSam Leffler ieee80211_node_initref(ni); /* mark referenced */ 13898a1b9b6aSSam Leffler ni->ni_chan = IEEE80211_CHAN_ANYC; 13908a1b9b6aSSam Leffler ni->ni_authmode = IEEE80211_AUTH_OPEN; 13918a1b9b6aSSam Leffler ni->ni_txpower = ic->ic_txpowlimit; /* max power */ 139201a03542SSam Leffler ni->ni_txparms = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 1393b032f27cSSam Leffler ieee80211_crypto_resetkey(vap, &ni->ni_ucastkey, IEEE80211_KEYIX_NONE); 1394b032f27cSSam Leffler ni->ni_avgrssi = IEEE80211_RSSI_DUMMY_MARKER; 13952045f699SSam Leffler ni->ni_inact_reload = nt->nt_inact_init; 13962045f699SSam Leffler ni->ni_inact = ni->ni_inact_reload; 139768e8e04eSSam Leffler ni->ni_ath_defkeyix = 0x7fff; 139863092fceSSam Leffler ieee80211_psq_init(&ni->ni_psq, "unknown"); 139959aa14a9SRui Paulo #ifdef IEEE80211_SUPPORT_MESH 140059aa14a9SRui Paulo if (vap->iv_opmode == IEEE80211_M_MBSS) 140159aa14a9SRui Paulo ieee80211_mesh_node_init(vap, ni); 140259aa14a9SRui Paulo #endif 14038a1b9b6aSSam Leffler IEEE80211_NODE_LOCK(nt); 1404d2e877f0SAndriy Voskoboinyk ieee80211_add_node_nt(nt, ni); 1405b032f27cSSam Leffler ni->ni_vap = vap; 14068a1b9b6aSSam Leffler ni->ni_ic = ic; 14078a1b9b6aSSam Leffler IEEE80211_NODE_UNLOCK(nt); 14081a1e1d21SSam Leffler 1409be1054edSSam Leffler IEEE80211_NOTE(vap, IEEE80211_MSG_INACT, ni, 1410be1054edSSam Leffler "%s: inact_reload %u", __func__, ni->ni_inact_reload); 1411be1054edSSam Leffler 1412bd56e71bSBernhard Schmidt ieee80211_ratectl_node_init(ni); 1413bd56e71bSBernhard Schmidt 14141a1e1d21SSam Leffler return ni; 14151a1e1d21SSam Leffler } 14161a1e1d21SSam Leffler 141797c973adSSam Leffler /* 141897c973adSSam Leffler * Craft a temporary node suitable for sending a management frame 141997c973adSSam Leffler * to the specified station. We craft only as much state as we 142097c973adSSam Leffler * need to do the work since the node will be immediately reclaimed 142197c973adSSam Leffler * once the send completes. 142297c973adSSam Leffler */ 142397c973adSSam Leffler struct ieee80211_node * 1424b032f27cSSam Leffler ieee80211_tmp_node(struct ieee80211vap *vap, 1425b032f27cSSam Leffler const uint8_t macaddr[IEEE80211_ADDR_LEN]) 142697c973adSSam Leffler { 1427b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 142897c973adSSam Leffler struct ieee80211_node *ni; 142997c973adSSam Leffler 143038c208f8SSam Leffler ni = ic->ic_node_alloc(vap, macaddr); 143197c973adSSam Leffler if (ni != NULL) { 1432b9b5f07dSSam Leffler struct ieee80211_node *bss = vap->iv_bss; 1433b9b5f07dSSam Leffler 1434b032f27cSSam Leffler IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE, 143597c973adSSam Leffler "%s %p<%s>\n", __func__, ni, ether_sprintf(macaddr)); 143697c973adSSam Leffler 1437b032f27cSSam Leffler ni->ni_table = NULL; /* NB: pedantic */ 1438b032f27cSSam Leffler ni->ni_ic = ic; /* NB: needed to set channel */ 1439b032f27cSSam Leffler ni->ni_vap = vap; 1440b032f27cSSam Leffler 144197c973adSSam Leffler IEEE80211_ADDR_COPY(ni->ni_macaddr, macaddr); 1442b9b5f07dSSam Leffler IEEE80211_ADDR_COPY(ni->ni_bssid, bss->ni_bssid); 144397c973adSSam Leffler ieee80211_node_initref(ni); /* mark referenced */ 144497c973adSSam Leffler /* NB: required by ieee80211_fix_rate */ 1445b9b5f07dSSam Leffler ieee80211_node_set_chan(ni, bss->ni_chan); 1446b032f27cSSam Leffler ieee80211_crypto_resetkey(vap, &ni->ni_ucastkey, 144797c973adSSam Leffler IEEE80211_KEYIX_NONE); 1448b9b5f07dSSam Leffler ni->ni_txpower = bss->ni_txpower; 144997c973adSSam Leffler /* XXX optimize away */ 145063092fceSSam Leffler ieee80211_psq_init(&ni->ni_psq, "unknown"); 1451bd56e71bSBernhard Schmidt 1452bd56e71bSBernhard Schmidt ieee80211_ratectl_node_init(ni); 145397c973adSSam Leffler } else { 145497c973adSSam Leffler /* XXX msg */ 1455b032f27cSSam Leffler vap->iv_stats.is_rx_nodealloc++; 145697c973adSSam Leffler } 145797c973adSSam Leffler return ni; 145897c973adSSam Leffler } 145997c973adSSam Leffler 14601a1e1d21SSam Leffler struct ieee80211_node * 1461b032f27cSSam Leffler ieee80211_dup_bss(struct ieee80211vap *vap, 1462b032f27cSSam Leffler const uint8_t macaddr[IEEE80211_ADDR_LEN]) 14631a1e1d21SSam Leffler { 1464b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 14658a1b9b6aSSam Leffler struct ieee80211_node *ni; 14668a1b9b6aSSam Leffler 1467b032f27cSSam Leffler ni = ieee80211_alloc_node(&ic->ic_sta, vap, macaddr); 14681a1e1d21SSam Leffler if (ni != NULL) { 1469b9b5f07dSSam Leffler struct ieee80211_node *bss = vap->iv_bss; 1470694dca64SSam Leffler /* 1471b032f27cSSam Leffler * Inherit from iv_bss. 1472694dca64SSam Leffler */ 1473b9b5f07dSSam Leffler copy_bss(ni, bss); 1474b9b5f07dSSam Leffler IEEE80211_ADDR_COPY(ni->ni_bssid, bss->ni_bssid); 1475b9b5f07dSSam Leffler ieee80211_node_set_chan(ni, bss->ni_chan); 1476b032f27cSSam Leffler } 14771a1e1d21SSam Leffler return ni; 14781a1e1d21SSam Leffler } 14791a1e1d21SSam Leffler 1480b032f27cSSam Leffler /* 1481b032f27cSSam Leffler * Create a bss node for a legacy WDS vap. The far end does 1482b032f27cSSam Leffler * not associate so we just create create a new node and 1483b032f27cSSam Leffler * simulate an association. The caller is responsible for 1484b032f27cSSam Leffler * installing the node as the bss node and handling any further 1485b032f27cSSam Leffler * setup work like authorizing the port. 1486b032f27cSSam Leffler */ 1487b032f27cSSam Leffler struct ieee80211_node * 1488b032f27cSSam Leffler ieee80211_node_create_wds(struct ieee80211vap *vap, 1489b032f27cSSam Leffler const uint8_t bssid[IEEE80211_ADDR_LEN], struct ieee80211_channel *chan) 1490b032f27cSSam Leffler { 1491b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 1492b032f27cSSam Leffler struct ieee80211_node *ni; 1493b032f27cSSam Leffler 1494b032f27cSSam Leffler /* XXX check if node already in sta table? */ 1495b032f27cSSam Leffler ni = ieee80211_alloc_node(&ic->ic_sta, vap, bssid); 1496b032f27cSSam Leffler if (ni != NULL) { 1497b032f27cSSam Leffler ni->ni_wdsvap = vap; 1498b032f27cSSam Leffler IEEE80211_ADDR_COPY(ni->ni_bssid, bssid); 1499b032f27cSSam Leffler /* 1500b032f27cSSam Leffler * Inherit any manually configured settings. 1501b032f27cSSam Leffler */ 1502b9b5f07dSSam Leffler copy_bss(ni, vap->iv_bss); 1503b032f27cSSam Leffler ieee80211_node_set_chan(ni, chan); 1504b032f27cSSam Leffler /* NB: propagate ssid so available to WPA supplicant */ 1505b032f27cSSam Leffler ni->ni_esslen = vap->iv_des_ssid[0].len; 1506b032f27cSSam Leffler memcpy(ni->ni_essid, vap->iv_des_ssid[0].ssid, ni->ni_esslen); 1507b032f27cSSam Leffler /* NB: no associd for peer */ 1508b032f27cSSam Leffler /* 1509b032f27cSSam Leffler * There are no management frames to use to 1510b032f27cSSam Leffler * discover neighbor capabilities, so blindly 1511b032f27cSSam Leffler * propagate the local configuration. 1512b032f27cSSam Leffler */ 1513b032f27cSSam Leffler if (vap->iv_flags & IEEE80211_F_WME) 1514b032f27cSSam Leffler ni->ni_flags |= IEEE80211_NODE_QOS; 1515616190d0SSam Leffler #ifdef IEEE80211_SUPPORT_SUPERG 1516b032f27cSSam Leffler if (vap->iv_flags & IEEE80211_F_FF) 1517b032f27cSSam Leffler ni->ni_flags |= IEEE80211_NODE_FF; 1518616190d0SSam Leffler #endif 151951172f62SAdrian Chadd /* XXX VHT */ 1520b032f27cSSam Leffler if ((ic->ic_htcaps & IEEE80211_HTC_HT) && 15212bfc8a91SSam Leffler (vap->iv_flags_ht & IEEE80211_FHT_HT)) { 1522b032f27cSSam Leffler /* 1523b032f27cSSam Leffler * Device is HT-capable and HT is enabled for 1524b032f27cSSam Leffler * the vap; setup HT operation. On return 1525b032f27cSSam Leffler * ni_chan will be adjusted to an HT channel. 1526b032f27cSSam Leffler */ 1527b032f27cSSam Leffler ieee80211_ht_wds_init(ni); 152851172f62SAdrian Chadd if (vap->iv_flags_vht & IEEE80211_FVHT_VHT) { 152951172f62SAdrian Chadd printf("%s: TODO: vht_wds_init\n", __func__); 153051172f62SAdrian Chadd } 1531b032f27cSSam Leffler } else { 1532b032f27cSSam Leffler struct ieee80211_channel *c = ni->ni_chan; 1533b032f27cSSam Leffler /* 1534b032f27cSSam Leffler * Force a legacy channel to be used. 1535b032f27cSSam Leffler */ 1536b032f27cSSam Leffler c = ieee80211_find_channel(ic, 1537b032f27cSSam Leffler c->ic_freq, c->ic_flags &~ IEEE80211_CHAN_HT); 1538b032f27cSSam Leffler KASSERT(c != NULL, ("no legacy channel, %u/%x", 1539b032f27cSSam Leffler ni->ni_chan->ic_freq, ni->ni_chan->ic_flags)); 1540b032f27cSSam Leffler ni->ni_chan = c; 1541b032f27cSSam Leffler } 1542b032f27cSSam Leffler } 1543b032f27cSSam Leffler return ni; 1544b032f27cSSam Leffler } 1545b032f27cSSam Leffler 1546b032f27cSSam Leffler struct ieee80211_node * 15478a1b9b6aSSam Leffler #ifdef IEEE80211_DEBUG_REFCNT 1548b032f27cSSam Leffler ieee80211_find_node_locked_debug(struct ieee80211_node_table *nt, 1549b032f27cSSam Leffler const uint8_t macaddr[IEEE80211_ADDR_LEN], const char *func, int line) 15508a1b9b6aSSam Leffler #else 1551b032f27cSSam Leffler ieee80211_find_node_locked(struct ieee80211_node_table *nt, 1552b032f27cSSam Leffler const uint8_t macaddr[IEEE80211_ADDR_LEN]) 15538a1b9b6aSSam Leffler #endif 15541a1e1d21SSam Leffler { 15551a1e1d21SSam Leffler struct ieee80211_node *ni; 15561a1e1d21SSam Leffler int hash; 15571a1e1d21SSam Leffler 15588a1b9b6aSSam Leffler IEEE80211_NODE_LOCK_ASSERT(nt); 1559750d6d0cSSam Leffler 156059aa14a9SRui Paulo hash = IEEE80211_NODE_HASH(nt->nt_ic, macaddr); 15618a1b9b6aSSam Leffler LIST_FOREACH(ni, &nt->nt_hash[hash], ni_hash) { 15621a1e1d21SSam Leffler if (IEEE80211_ADDR_EQ(ni->ni_macaddr, macaddr)) { 15638a1b9b6aSSam Leffler ieee80211_ref_node(ni); /* mark referenced */ 15648a1b9b6aSSam Leffler #ifdef IEEE80211_DEBUG_REFCNT 1565b032f27cSSam Leffler IEEE80211_DPRINTF(ni->ni_vap, IEEE80211_MSG_NODE, 156649a15236SSam Leffler "%s (%s:%u) %p<%s> refcnt %d\n", __func__, 156749a15236SSam Leffler func, line, 156849a15236SSam Leffler ni, ether_sprintf(ni->ni_macaddr), 15698a1b9b6aSSam Leffler ieee80211_node_refcnt(ni)); 15708a1b9b6aSSam Leffler #endif 1571750d6d0cSSam Leffler return ni; 15721a1e1d21SSam Leffler } 15731a1e1d21SSam Leffler } 1574750d6d0cSSam Leffler return NULL; 1575750d6d0cSSam Leffler } 1576750d6d0cSSam Leffler 1577750d6d0cSSam Leffler struct ieee80211_node * 15788a1b9b6aSSam Leffler #ifdef IEEE80211_DEBUG_REFCNT 15798a1b9b6aSSam Leffler ieee80211_find_node_debug(struct ieee80211_node_table *nt, 1580b032f27cSSam Leffler const uint8_t macaddr[IEEE80211_ADDR_LEN], const char *func, int line) 15818a1b9b6aSSam Leffler #else 1582b032f27cSSam Leffler ieee80211_find_node(struct ieee80211_node_table *nt, 1583b032f27cSSam Leffler const uint8_t macaddr[IEEE80211_ADDR_LEN]) 15848a1b9b6aSSam Leffler #endif 1585750d6d0cSSam Leffler { 1586750d6d0cSSam Leffler struct ieee80211_node *ni; 1587750d6d0cSSam Leffler 15888a1b9b6aSSam Leffler IEEE80211_NODE_LOCK(nt); 1589b032f27cSSam Leffler ni = ieee80211_find_node_locked(nt, macaddr); 1590b032f27cSSam Leffler IEEE80211_NODE_UNLOCK(nt); 1591b032f27cSSam Leffler return ni; 1592b032f27cSSam Leffler } 1593b032f27cSSam Leffler 1594b032f27cSSam Leffler struct ieee80211_node * 1595b032f27cSSam Leffler #ifdef IEEE80211_DEBUG_REFCNT 1596b032f27cSSam Leffler ieee80211_find_vap_node_locked_debug(struct ieee80211_node_table *nt, 1597b032f27cSSam Leffler const struct ieee80211vap *vap, 1598b032f27cSSam Leffler const uint8_t macaddr[IEEE80211_ADDR_LEN], const char *func, int line) 1599b032f27cSSam Leffler #else 1600b032f27cSSam Leffler ieee80211_find_vap_node_locked(struct ieee80211_node_table *nt, 1601b032f27cSSam Leffler const struct ieee80211vap *vap, 1602b032f27cSSam Leffler const uint8_t macaddr[IEEE80211_ADDR_LEN]) 1603b032f27cSSam Leffler #endif 1604b032f27cSSam Leffler { 1605b032f27cSSam Leffler struct ieee80211_node *ni; 1606b032f27cSSam Leffler int hash; 1607b032f27cSSam Leffler 1608b032f27cSSam Leffler IEEE80211_NODE_LOCK_ASSERT(nt); 1609b032f27cSSam Leffler 161059aa14a9SRui Paulo hash = IEEE80211_NODE_HASH(nt->nt_ic, macaddr); 1611b032f27cSSam Leffler LIST_FOREACH(ni, &nt->nt_hash[hash], ni_hash) { 1612b032f27cSSam Leffler if (ni->ni_vap == vap && 1613b032f27cSSam Leffler IEEE80211_ADDR_EQ(ni->ni_macaddr, macaddr)) { 1614b032f27cSSam Leffler ieee80211_ref_node(ni); /* mark referenced */ 1615b032f27cSSam Leffler #ifdef IEEE80211_DEBUG_REFCNT 1616b032f27cSSam Leffler IEEE80211_DPRINTF(ni->ni_vap, IEEE80211_MSG_NODE, 1617b032f27cSSam Leffler "%s (%s:%u) %p<%s> refcnt %d\n", __func__, 1618b032f27cSSam Leffler func, line, 1619b032f27cSSam Leffler ni, ether_sprintf(ni->ni_macaddr), 1620b032f27cSSam Leffler ieee80211_node_refcnt(ni)); 1621b032f27cSSam Leffler #endif 1622b032f27cSSam Leffler return ni; 1623b032f27cSSam Leffler } 1624b032f27cSSam Leffler } 1625b032f27cSSam Leffler return NULL; 1626b032f27cSSam Leffler } 1627b032f27cSSam Leffler 1628b032f27cSSam Leffler struct ieee80211_node * 1629b032f27cSSam Leffler #ifdef IEEE80211_DEBUG_REFCNT 1630b032f27cSSam Leffler ieee80211_find_vap_node_debug(struct ieee80211_node_table *nt, 1631b032f27cSSam Leffler const struct ieee80211vap *vap, 1632b032f27cSSam Leffler const uint8_t macaddr[IEEE80211_ADDR_LEN], const char *func, int line) 1633b032f27cSSam Leffler #else 1634b032f27cSSam Leffler ieee80211_find_vap_node(struct ieee80211_node_table *nt, 1635b032f27cSSam Leffler const struct ieee80211vap *vap, 1636b032f27cSSam Leffler const uint8_t macaddr[IEEE80211_ADDR_LEN]) 1637b032f27cSSam Leffler #endif 1638b032f27cSSam Leffler { 1639b032f27cSSam Leffler struct ieee80211_node *ni; 1640b032f27cSSam Leffler 1641b032f27cSSam Leffler IEEE80211_NODE_LOCK(nt); 1642b032f27cSSam Leffler ni = ieee80211_find_vap_node_locked(nt, vap, macaddr); 16438a1b9b6aSSam Leffler IEEE80211_NODE_UNLOCK(nt); 16441a1e1d21SSam Leffler return ni; 16451a1e1d21SSam Leffler } 16461a1e1d21SSam Leffler 16471a1e1d21SSam Leffler /* 16488a1b9b6aSSam Leffler * Fake up a node; this handles node discovery in adhoc mode. 16498a1b9b6aSSam Leffler * Note that for the driver's benefit we we treat this like 16508a1b9b6aSSam Leffler * an association so the driver has an opportunity to setup 16518a1b9b6aSSam Leffler * it's private state. 16528a1b9b6aSSam Leffler */ 16538a1b9b6aSSam Leffler struct ieee80211_node * 1654b032f27cSSam Leffler ieee80211_fakeup_adhoc_node(struct ieee80211vap *vap, 165568e8e04eSSam Leffler const uint8_t macaddr[IEEE80211_ADDR_LEN]) 16568a1b9b6aSSam Leffler { 16578a1b9b6aSSam Leffler struct ieee80211_node *ni; 16588a1b9b6aSSam Leffler 1659d71a1f7aSAdrian Chadd IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE | IEEE80211_MSG_ASSOC, 1660be425a0fSSam Leffler "%s: mac<%s>\n", __func__, ether_sprintf(macaddr)); 1661b032f27cSSam Leffler ni = ieee80211_dup_bss(vap, macaddr); 16628a1b9b6aSSam Leffler if (ni != NULL) { 1663b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 1664b032f27cSSam Leffler 16658a1b9b6aSSam Leffler /* XXX no rate negotiation; just dup */ 1666b032f27cSSam Leffler ni->ni_rates = vap->iv_bss->ni_rates; 1667aa68c24fSSam Leffler if (ieee80211_iserp_rateset(&ni->ni_rates)) 1668aa68c24fSSam Leffler ni->ni_flags |= IEEE80211_NODE_ERP; 1669b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_AHDEMO) { 16708e292e8eSSam Leffler /* 167168e8e04eSSam Leffler * In adhoc demo mode there are no management 167268e8e04eSSam Leffler * frames to use to discover neighbor capabilities, 167368e8e04eSSam Leffler * so blindly propagate the local configuration 167468e8e04eSSam Leffler * so we can do interesting things (e.g. use 167568e8e04eSSam Leffler * WME to disable ACK's). 16768e292e8eSSam Leffler */ 1677869897d2SAdrian Chadd /* 1678869897d2SAdrian Chadd * XXX TODO: 11n? 1679869897d2SAdrian Chadd */ 1680b032f27cSSam Leffler if (vap->iv_flags & IEEE80211_F_WME) 16818e292e8eSSam Leffler ni->ni_flags |= IEEE80211_NODE_QOS; 1682616190d0SSam Leffler #ifdef IEEE80211_SUPPORT_SUPERG 1683b032f27cSSam Leffler if (vap->iv_flags & IEEE80211_F_FF) 168468e8e04eSSam Leffler ni->ni_flags |= IEEE80211_NODE_FF; 1685616190d0SSam Leffler #endif 16868e292e8eSSam Leffler } 1687d77148fbSSam Leffler ieee80211_node_setuptxparms(ni); 168849d2c137SBernhard Schmidt ieee80211_ratectl_node_init(ni); 1689869897d2SAdrian Chadd 1690869897d2SAdrian Chadd /* 1691869897d2SAdrian Chadd * XXX TODO: 11n? At least 20MHz, at least A-MPDU RX, 1692869897d2SAdrian Chadd * not A-MPDU TX; not 11n rates, etc. We'll cycle 1693869897d2SAdrian Chadd * that after we hear that we can indeed do 11n 1694869897d2SAdrian Chadd * (either by a beacon frame or by a probe response.) 1695869897d2SAdrian Chadd */ 1696869897d2SAdrian Chadd 1697869897d2SAdrian Chadd /* 1698869897d2SAdrian Chadd * This is the first time we see the node. 1699869897d2SAdrian Chadd */ 1700b032f27cSSam Leffler if (ic->ic_newassoc != NULL) 1701b032f27cSSam Leffler ic->ic_newassoc(ni, 1); 1702869897d2SAdrian Chadd 1703869897d2SAdrian Chadd /* 1704869897d2SAdrian Chadd * Kick off a probe request to the given node; 1705869897d2SAdrian Chadd * we will then use the probe response to update 1706869897d2SAdrian Chadd * 11n/etc configuration state. 1707869897d2SAdrian Chadd * 1708869897d2SAdrian Chadd * XXX TODO: this isn't guaranteed, and until we get 1709869897d2SAdrian Chadd * a probe response, we won't be able to actually 1710869897d2SAdrian Chadd * do anything 802.11n related to the node. 1711869897d2SAdrian Chadd * So if this does indeed work, maybe we should hold 1712869897d2SAdrian Chadd * off on sending responses until we get the probe 1713869897d2SAdrian Chadd * response, or just default to some sensible subset 1714869897d2SAdrian Chadd * of 802.11n behaviour (eg always allow aggregation 1715869897d2SAdrian Chadd * negotiation TO us, but not FROM us, etc) so we 1716869897d2SAdrian Chadd * aren't entirely busted. 1717869897d2SAdrian Chadd */ 1718869897d2SAdrian Chadd if (vap->iv_opmode == IEEE80211_M_IBSS) { 1719869897d2SAdrian Chadd ieee80211_send_probereq(ni, /* node */ 1720869897d2SAdrian Chadd vap->iv_myaddr, /* SA */ 1721869897d2SAdrian Chadd ni->ni_macaddr, /* DA */ 1722869897d2SAdrian Chadd vap->iv_bss->ni_bssid, /* BSSID */ 1723869897d2SAdrian Chadd vap->iv_bss->ni_essid, 1724869897d2SAdrian Chadd vap->iv_bss->ni_esslen); /* SSID */ 1725869897d2SAdrian Chadd } 1726869897d2SAdrian Chadd 172768e8e04eSSam Leffler /* XXX not right for 802.1x/WPA */ 172868e8e04eSSam Leffler ieee80211_node_authorize(ni); 17298a1b9b6aSSam Leffler } 17308a1b9b6aSSam Leffler return ni; 17318a1b9b6aSSam Leffler } 17328a1b9b6aSSam Leffler 1733be425a0fSSam Leffler void 1734be425a0fSSam Leffler ieee80211_init_neighbor(struct ieee80211_node *ni, 1735be425a0fSSam Leffler const struct ieee80211_frame *wh, 1736be425a0fSSam Leffler const struct ieee80211_scanparams *sp) 1737be425a0fSSam Leffler { 173851172f62SAdrian Chadd int do_ht_setup = 0, do_vht_setup = 0; 1739d71a1f7aSAdrian Chadd 1740be425a0fSSam Leffler ni->ni_esslen = sp->ssid[1]; 1741be425a0fSSam Leffler memcpy(ni->ni_essid, sp->ssid + 2, sp->ssid[1]); 1742be425a0fSSam Leffler IEEE80211_ADDR_COPY(ni->ni_bssid, wh->i_addr3); 1743be425a0fSSam Leffler memcpy(ni->ni_tstamp.data, sp->tstamp, sizeof(ni->ni_tstamp)); 1744be425a0fSSam Leffler ni->ni_intval = sp->bintval; 1745be425a0fSSam Leffler ni->ni_capinfo = sp->capinfo; 1746be425a0fSSam Leffler ni->ni_chan = ni->ni_ic->ic_curchan; 1747be425a0fSSam Leffler ni->ni_fhdwell = sp->fhdwell; 1748be425a0fSSam Leffler ni->ni_fhindex = sp->fhindex; 1749be425a0fSSam Leffler ni->ni_erp = sp->erp; 1750be425a0fSSam Leffler ni->ni_timoff = sp->timoff; 175159aa14a9SRui Paulo #ifdef IEEE80211_SUPPORT_MESH 175259aa14a9SRui Paulo if (ni->ni_vap->iv_opmode == IEEE80211_M_MBSS) 175359aa14a9SRui Paulo ieee80211_mesh_init_neighbor(ni, wh, sp); 175459aa14a9SRui Paulo #endif 1755b032f27cSSam Leffler if (ieee80211_ies_init(&ni->ni_ies, sp->ies, sp->ies_len)) { 1756b032f27cSSam Leffler ieee80211_ies_expand(&ni->ni_ies); 17579094ffdfSSam Leffler if (ni->ni_ies.wme_ie != NULL) 17589094ffdfSSam Leffler ni->ni_flags |= IEEE80211_NODE_QOS; 17599094ffdfSSam Leffler else 17609094ffdfSSam Leffler ni->ni_flags &= ~IEEE80211_NODE_QOS; 1761616190d0SSam Leffler #ifdef IEEE80211_SUPPORT_SUPERG 1762b032f27cSSam Leffler if (ni->ni_ies.ath_ie != NULL) 1763b032f27cSSam Leffler ieee80211_parse_ath(ni, ni->ni_ies.ath_ie); 1764616190d0SSam Leffler #endif 1765d71a1f7aSAdrian Chadd if (ni->ni_ies.htcap_ie != NULL) 1766d71a1f7aSAdrian Chadd ieee80211_parse_htcap(ni, ni->ni_ies.htcap_ie); 1767d71a1f7aSAdrian Chadd if (ni->ni_ies.htinfo_ie != NULL) 1768d71a1f7aSAdrian Chadd ieee80211_parse_htinfo(ni, ni->ni_ies.htinfo_ie); 1769d71a1f7aSAdrian Chadd 177051172f62SAdrian Chadd if (ni->ni_ies.vhtcap_ie != NULL) 177151172f62SAdrian Chadd ieee80211_parse_vhtcap(ni, ni->ni_ies.vhtcap_ie); 177251172f62SAdrian Chadd if (ni->ni_ies.vhtopmode_ie != NULL) 177351172f62SAdrian Chadd ieee80211_parse_vhtopmode(ni, ni->ni_ies.vhtopmode_ie); 177451172f62SAdrian Chadd 1775d71a1f7aSAdrian Chadd if ((ni->ni_ies.htcap_ie != NULL) && 1776d71a1f7aSAdrian Chadd (ni->ni_ies.htinfo_ie != NULL) && 1777d71a1f7aSAdrian Chadd (ni->ni_vap->iv_flags_ht & IEEE80211_FHT_HT)) { 1778d71a1f7aSAdrian Chadd do_ht_setup = 1; 1779d71a1f7aSAdrian Chadd } 178051172f62SAdrian Chadd 178151172f62SAdrian Chadd if ((ni->ni_ies.vhtcap_ie != NULL) && 178251172f62SAdrian Chadd (ni->ni_ies.vhtopmode_ie != NULL) && 178351172f62SAdrian Chadd (ni->ni_vap->iv_flags_vht & IEEE80211_FVHT_VHT)) { 178451172f62SAdrian Chadd do_vht_setup = 1; 178551172f62SAdrian Chadd } 178651172f62SAdrian Chadd 1787b032f27cSSam Leffler } 1788be425a0fSSam Leffler 1789be425a0fSSam Leffler /* NB: must be after ni_chan is setup */ 179079edaebfSSam Leffler ieee80211_setup_rates(ni, sp->rates, sp->xrates, 179179edaebfSSam Leffler IEEE80211_F_DOSORT | IEEE80211_F_DOFRATE | 179279edaebfSSam Leffler IEEE80211_F_DONEGO | IEEE80211_F_DODEL); 1793d71a1f7aSAdrian Chadd 1794d71a1f7aSAdrian Chadd /* 1795d71a1f7aSAdrian Chadd * If the neighbor is HT compatible, flip that on. 1796d71a1f7aSAdrian Chadd */ 1797d71a1f7aSAdrian Chadd if (do_ht_setup) { 1798d71a1f7aSAdrian Chadd IEEE80211_DPRINTF(ni->ni_vap, IEEE80211_MSG_ASSOC, 1799d71a1f7aSAdrian Chadd "%s: doing HT setup\n", __func__); 1800d71a1f7aSAdrian Chadd ieee80211_ht_node_init(ni); 1801d71a1f7aSAdrian Chadd ieee80211_ht_updateparams(ni, 1802d71a1f7aSAdrian Chadd ni->ni_ies.htcap_ie, 1803d71a1f7aSAdrian Chadd ni->ni_ies.htinfo_ie); 180451172f62SAdrian Chadd 180551172f62SAdrian Chadd if (do_vht_setup) { 180651172f62SAdrian Chadd if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) { 180751172f62SAdrian Chadd printf("%s: BSS %6D: 2GHz channel, VHT info; ignoring\n", 180851172f62SAdrian Chadd __func__, 180951172f62SAdrian Chadd ni->ni_macaddr, 181051172f62SAdrian Chadd ":"); 181151172f62SAdrian Chadd } else { 181251172f62SAdrian Chadd ieee80211_vht_node_init(ni); 181351172f62SAdrian Chadd ieee80211_vht_updateparams(ni, 181451172f62SAdrian Chadd ni->ni_ies.vhtcap_ie, 181551172f62SAdrian Chadd ni->ni_ies.vhtopmode_ie); 181651172f62SAdrian Chadd ieee80211_setup_vht_rates(ni, 181751172f62SAdrian Chadd ni->ni_ies.vhtcap_ie, 181851172f62SAdrian Chadd ni->ni_ies.vhtopmode_ie); 181951172f62SAdrian Chadd } 182051172f62SAdrian Chadd } 182151172f62SAdrian Chadd 182251172f62SAdrian Chadd /* 182351172f62SAdrian Chadd * Finally do the channel upgrade/change based 182451172f62SAdrian Chadd * on the HT/VHT configuration. 182551172f62SAdrian Chadd */ 182651172f62SAdrian Chadd ieee80211_ht_updateparams_final(ni, ni->ni_ies.htcap_ie, 182751172f62SAdrian Chadd ni->ni_ies.htinfo_ie); 1828d71a1f7aSAdrian Chadd ieee80211_setup_htrates(ni, 1829d71a1f7aSAdrian Chadd ni->ni_ies.htcap_ie, 1830d71a1f7aSAdrian Chadd IEEE80211_F_JOIN | IEEE80211_F_DOBRS); 1831d71a1f7aSAdrian Chadd ieee80211_setup_basic_htrates(ni, 1832d71a1f7aSAdrian Chadd ni->ni_ies.htinfo_ie); 183351172f62SAdrian Chadd 1834d71a1f7aSAdrian Chadd ieee80211_node_setuptxparms(ni); 1835d71a1f7aSAdrian Chadd ieee80211_ratectl_node_init(ni); 1836869897d2SAdrian Chadd 183751172f62SAdrian Chadd /* Reassociate; we're now 11n/11ac */ 1838869897d2SAdrian Chadd /* 1839869897d2SAdrian Chadd * XXX TODO: this is the wrong thing to do - 1840869897d2SAdrian Chadd * we're calling it with isnew=1 so the ath(4) 1841869897d2SAdrian Chadd * driver reinitialises the rate tables. 1842869897d2SAdrian Chadd * This "mostly" works for ath(4), but it won't 1843869897d2SAdrian Chadd * be right for firmware devices which allocate 1844869897d2SAdrian Chadd * node states. 1845869897d2SAdrian Chadd * 1846869897d2SAdrian Chadd * So, do we just create a new node and delete 1847869897d2SAdrian Chadd * the old one? Or? 1848869897d2SAdrian Chadd */ 1849869897d2SAdrian Chadd if (ni->ni_ic->ic_newassoc) 1850869897d2SAdrian Chadd ni->ni_ic->ic_newassoc(ni, 1); 1851d71a1f7aSAdrian Chadd } 1852be425a0fSSam Leffler } 1853be425a0fSSam Leffler 1854b5c99415SSam Leffler /* 1855b5c99415SSam Leffler * Do node discovery in adhoc mode on receipt of a beacon 1856b5c99415SSam Leffler * or probe response frame. Note that for the driver's 1857b5c99415SSam Leffler * benefit we we treat this like an association so the 1858b5c99415SSam Leffler * driver has an opportunity to setup it's private state. 1859b5c99415SSam Leffler */ 1860b5c99415SSam Leffler struct ieee80211_node * 1861b032f27cSSam Leffler ieee80211_add_neighbor(struct ieee80211vap *vap, 1862b5c99415SSam Leffler const struct ieee80211_frame *wh, 1863b5c99415SSam Leffler const struct ieee80211_scanparams *sp) 1864b5c99415SSam Leffler { 1865b5c99415SSam Leffler struct ieee80211_node *ni; 1866b5c99415SSam Leffler 1867d71a1f7aSAdrian Chadd IEEE80211_DPRINTF(vap, IEEE80211_MSG_ASSOC, 1868be425a0fSSam Leffler "%s: mac<%s>\n", __func__, ether_sprintf(wh->i_addr2)); 1869b032f27cSSam Leffler ni = ieee80211_dup_bss(vap, wh->i_addr2);/* XXX alloc_node? */ 1870b5c99415SSam Leffler if (ni != NULL) { 1871b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 1872b032f27cSSam Leffler 1873be425a0fSSam Leffler ieee80211_init_neighbor(ni, wh, sp); 1874aa68c24fSSam Leffler if (ieee80211_iserp_rateset(&ni->ni_rates)) 1875aa68c24fSSam Leffler ni->ni_flags |= IEEE80211_NODE_ERP; 1876d77148fbSSam Leffler ieee80211_node_setuptxparms(ni); 187749d2c137SBernhard Schmidt ieee80211_ratectl_node_init(ni); 1878b5c99415SSam Leffler if (ic->ic_newassoc != NULL) 1879b5c99415SSam Leffler ic->ic_newassoc(ni, 1); 1880b5c99415SSam Leffler /* XXX not right for 802.1x/WPA */ 1881b5c99415SSam Leffler ieee80211_node_authorize(ni); 1882b5c99415SSam Leffler } 1883b5c99415SSam Leffler return ni; 1884b5c99415SSam Leffler } 1885b5c99415SSam Leffler 1886a2cfa5b7SSam Leffler #define IS_PROBEREQ(wh) \ 1887a2cfa5b7SSam Leffler ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK|IEEE80211_FC0_SUBTYPE_MASK)) \ 1888a2cfa5b7SSam Leffler == (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_REQ)) 1889a2cfa5b7SSam Leffler #define IS_BCAST_PROBEREQ(wh) \ 1890a2cfa5b7SSam Leffler (IS_PROBEREQ(wh) && IEEE80211_IS_MULTICAST( \ 1891a2cfa5b7SSam Leffler ((const struct ieee80211_frame *)(wh))->i_addr3)) 1892a2cfa5b7SSam Leffler 1893a2cfa5b7SSam Leffler static __inline struct ieee80211_node * 1894a2cfa5b7SSam Leffler _find_rxnode(struct ieee80211_node_table *nt, 1895a2cfa5b7SSam Leffler const struct ieee80211_frame_min *wh) 1896a2cfa5b7SSam Leffler { 1897a2cfa5b7SSam Leffler if (IS_BCAST_PROBEREQ(wh)) 1898a2cfa5b7SSam Leffler return NULL; /* spam bcast probe req to all vap's */ 1899a2cfa5b7SSam Leffler return ieee80211_find_node_locked(nt, wh->i_addr2); 1900a2cfa5b7SSam Leffler } 190168e8e04eSSam Leffler 19028a1b9b6aSSam Leffler /* 19038a1b9b6aSSam Leffler * Locate the node for sender, track state, and then pass the 1904a2cfa5b7SSam Leffler * (referenced) node up to the 802.11 layer for its use. Note 1905a2cfa5b7SSam Leffler * we can return NULL if the sender is not in the table. 19068a1b9b6aSSam Leffler */ 19078a1b9b6aSSam Leffler struct ieee80211_node * 19088a1b9b6aSSam Leffler #ifdef IEEE80211_DEBUG_REFCNT 19098a1b9b6aSSam Leffler ieee80211_find_rxnode_debug(struct ieee80211com *ic, 19108a1b9b6aSSam Leffler const struct ieee80211_frame_min *wh, const char *func, int line) 19118a1b9b6aSSam Leffler #else 19128a1b9b6aSSam Leffler ieee80211_find_rxnode(struct ieee80211com *ic, 19138a1b9b6aSSam Leffler const struct ieee80211_frame_min *wh) 19148a1b9b6aSSam Leffler #endif 19158a1b9b6aSSam Leffler { 19168a1b9b6aSSam Leffler struct ieee80211_node_table *nt; 19178a1b9b6aSSam Leffler struct ieee80211_node *ni; 19188a1b9b6aSSam Leffler 191968e8e04eSSam Leffler nt = &ic->ic_sta; 19208a1b9b6aSSam Leffler IEEE80211_NODE_LOCK(nt); 1921a2cfa5b7SSam Leffler ni = _find_rxnode(nt, wh); 19228a1b9b6aSSam Leffler IEEE80211_NODE_UNLOCK(nt); 19238a1b9b6aSSam Leffler 1924c1225b52SSam Leffler return ni; 1925c1225b52SSam Leffler } 1926c1225b52SSam Leffler 1927c1225b52SSam Leffler /* 1928c1225b52SSam Leffler * Like ieee80211_find_rxnode but use the supplied h/w 1929c1225b52SSam Leffler * key index as a hint to locate the node in the key 1930c1225b52SSam Leffler * mapping table. If an entry is present at the key 1931c1225b52SSam Leffler * index we return it; otherwise do a normal lookup and 1932c1225b52SSam Leffler * update the mapping table if the station has a unicast 1933c1225b52SSam Leffler * key assigned to it. 1934c1225b52SSam Leffler */ 1935c1225b52SSam Leffler struct ieee80211_node * 1936c1225b52SSam Leffler #ifdef IEEE80211_DEBUG_REFCNT 1937c1225b52SSam Leffler ieee80211_find_rxnode_withkey_debug(struct ieee80211com *ic, 1938c1225b52SSam Leffler const struct ieee80211_frame_min *wh, ieee80211_keyix keyix, 1939c1225b52SSam Leffler const char *func, int line) 1940c1225b52SSam Leffler #else 1941c1225b52SSam Leffler ieee80211_find_rxnode_withkey(struct ieee80211com *ic, 1942c1225b52SSam Leffler const struct ieee80211_frame_min *wh, ieee80211_keyix keyix) 1943c1225b52SSam Leffler #endif 1944c1225b52SSam Leffler { 1945c1225b52SSam Leffler struct ieee80211_node_table *nt; 1946c1225b52SSam Leffler struct ieee80211_node *ni; 1947c1225b52SSam Leffler 1948c1225b52SSam Leffler nt = &ic->ic_sta; 1949c1225b52SSam Leffler IEEE80211_NODE_LOCK(nt); 1950c1225b52SSam Leffler if (nt->nt_keyixmap != NULL && keyix < nt->nt_keyixmax) 1951c1225b52SSam Leffler ni = nt->nt_keyixmap[keyix]; 1952c1225b52SSam Leffler else 1953c1225b52SSam Leffler ni = NULL; 1954c1225b52SSam Leffler if (ni == NULL) { 1955a2cfa5b7SSam Leffler ni = _find_rxnode(nt, wh); 1956b032f27cSSam Leffler if (ni != NULL && nt->nt_keyixmap != NULL) { 1957c1225b52SSam Leffler /* 1958c1225b52SSam Leffler * If the station has a unicast key cache slot 1959c1225b52SSam Leffler * assigned update the key->node mapping table. 1960c1225b52SSam Leffler */ 1961c1225b52SSam Leffler keyix = ni->ni_ucastkey.wk_rxkeyix; 1962c1225b52SSam Leffler /* XXX can keyixmap[keyix] != NULL? */ 1963c1225b52SSam Leffler if (keyix < nt->nt_keyixmax && 1964c1225b52SSam Leffler nt->nt_keyixmap[keyix] == NULL) { 1965b032f27cSSam Leffler IEEE80211_DPRINTF(ni->ni_vap, 1966b032f27cSSam Leffler IEEE80211_MSG_NODE, 1967c1225b52SSam Leffler "%s: add key map entry %p<%s> refcnt %d\n", 1968c1225b52SSam Leffler __func__, ni, ether_sprintf(ni->ni_macaddr), 1969c1225b52SSam Leffler ieee80211_node_refcnt(ni)+1); 1970c1225b52SSam Leffler nt->nt_keyixmap[keyix] = ieee80211_ref_node(ni); 1971c1225b52SSam Leffler } 1972c1225b52SSam Leffler } 1973a2cfa5b7SSam Leffler } else { 1974a2cfa5b7SSam Leffler if (IS_BCAST_PROBEREQ(wh)) 1975a2cfa5b7SSam Leffler ni = NULL; /* spam bcast probe req to all vap's */ 1976a2cfa5b7SSam Leffler else 1977c1225b52SSam Leffler ieee80211_ref_node(ni); 1978a2cfa5b7SSam Leffler } 1979c1225b52SSam Leffler IEEE80211_NODE_UNLOCK(nt); 1980c1225b52SSam Leffler 1981c1225b52SSam Leffler return ni; 1982c1225b52SSam Leffler } 1983a2cfa5b7SSam Leffler #undef IS_BCAST_PROBEREQ 1984a2cfa5b7SSam Leffler #undef IS_PROBEREQ 19858a1b9b6aSSam Leffler 19868a1b9b6aSSam Leffler /* 1987750d6d0cSSam Leffler * Return a reference to the appropriate node for sending 1988750d6d0cSSam Leffler * a data frame. This handles node discovery in adhoc networks. 1989750d6d0cSSam Leffler */ 1990750d6d0cSSam Leffler struct ieee80211_node * 19918a1b9b6aSSam Leffler #ifdef IEEE80211_DEBUG_REFCNT 1992b032f27cSSam Leffler ieee80211_find_txnode_debug(struct ieee80211vap *vap, 1993b032f27cSSam Leffler const uint8_t macaddr[IEEE80211_ADDR_LEN], 19948a1b9b6aSSam Leffler const char *func, int line) 19958a1b9b6aSSam Leffler #else 1996b032f27cSSam Leffler ieee80211_find_txnode(struct ieee80211vap *vap, 1997b032f27cSSam Leffler const uint8_t macaddr[IEEE80211_ADDR_LEN]) 19988a1b9b6aSSam Leffler #endif 1999750d6d0cSSam Leffler { 2000b032f27cSSam Leffler struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta; 2001750d6d0cSSam Leffler struct ieee80211_node *ni; 2002750d6d0cSSam Leffler 2003750d6d0cSSam Leffler /* 2004750d6d0cSSam Leffler * The destination address should be in the node table 2005c1225b52SSam Leffler * unless this is a multicast/broadcast frame. We can 2006c1225b52SSam Leffler * also optimize station mode operation, all frames go 2007c1225b52SSam Leffler * to the bss node. 2008750d6d0cSSam Leffler */ 2009750d6d0cSSam Leffler /* XXX can't hold lock across dup_bss 'cuz of recursive locking */ 20108a1b9b6aSSam Leffler IEEE80211_NODE_LOCK(nt); 2011b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_STA || 2012b032f27cSSam Leffler vap->iv_opmode == IEEE80211_M_WDS || 2013b032f27cSSam Leffler IEEE80211_IS_MULTICAST(macaddr)) 2014b032f27cSSam Leffler ni = ieee80211_ref_node(vap->iv_bss); 20151b999d64SSam Leffler else 2016b032f27cSSam Leffler ni = ieee80211_find_node_locked(nt, macaddr); 20178a1b9b6aSSam Leffler IEEE80211_NODE_UNLOCK(nt); 20188a1b9b6aSSam Leffler 20198a1b9b6aSSam Leffler if (ni == NULL) { 2020b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_IBSS || 2021b032f27cSSam Leffler vap->iv_opmode == IEEE80211_M_AHDEMO) { 202290d0d036SSam Leffler /* 202390d0d036SSam Leffler * In adhoc mode cons up a node for the destination. 202490d0d036SSam Leffler * Note that we need an additional reference for the 2025b032f27cSSam Leffler * caller to be consistent with 2026b032f27cSSam Leffler * ieee80211_find_node_locked. 202790d0d036SSam Leffler */ 2028869897d2SAdrian Chadd /* 2029869897d2SAdrian Chadd * XXX TODO: this doesn't fake up 11n state; we need 2030869897d2SAdrian Chadd * to find another way to get it upgraded. 2031869897d2SAdrian Chadd */ 2032b032f27cSSam Leffler ni = ieee80211_fakeup_adhoc_node(vap, macaddr); 203390d0d036SSam Leffler if (ni != NULL) 203490d0d036SSam Leffler (void) ieee80211_ref_node(ni); 203590d0d036SSam Leffler } else { 2036b032f27cSSam Leffler IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_OUTPUT, macaddr, 2037b032f27cSSam Leffler "no node, discard frame (%s)", __func__); 2038b032f27cSSam Leffler vap->iv_stats.is_tx_nonode++; 2039750d6d0cSSam Leffler } 2040750d6d0cSSam Leffler } 2041750d6d0cSSam Leffler return ni; 2042750d6d0cSSam Leffler } 2043750d6d0cSSam Leffler 20448a1b9b6aSSam Leffler static void 20458a1b9b6aSSam Leffler _ieee80211_free_node(struct ieee80211_node *ni) 20468a1b9b6aSSam Leffler { 20478a1b9b6aSSam Leffler struct ieee80211_node_table *nt = ni->ni_table; 20488a1b9b6aSSam Leffler 204937e9743aSSam Leffler /* 205037e9743aSSam Leffler * NB: careful about referencing the vap as it may be 205137e9743aSSam Leffler * gone if the last reference was held by a driver. 205237e9743aSSam Leffler * We know the com will always be present so it's safe 205337e9743aSSam Leffler * to use ni_ic below to reclaim resources. 205437e9743aSSam Leffler */ 205537e9743aSSam Leffler #if 0 2056b032f27cSSam Leffler IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE, 205749a15236SSam Leffler "%s %p<%s> in %s table\n", __func__, ni, 205849a15236SSam Leffler ether_sprintf(ni->ni_macaddr), 20598a1b9b6aSSam Leffler nt != NULL ? nt->nt_name : "<gone>"); 206037e9743aSSam Leffler #endif 206137e9743aSSam Leffler if (ni->ni_associd != 0) { 206237e9743aSSam Leffler struct ieee80211vap *vap = ni->ni_vap; 2063b032f27cSSam Leffler if (vap->iv_aid_bitmap != NULL) 2064b032f27cSSam Leffler IEEE80211_AID_CLR(vap, ni->ni_associd); 206537e9743aSSam Leffler } 2066d2e877f0SAndriy Voskoboinyk if (nt != NULL) 2067d2e877f0SAndriy Voskoboinyk ieee80211_del_node_nt(nt, ni); 206837e9743aSSam Leffler ni->ni_ic->ic_node_free(ni); 20698a1b9b6aSSam Leffler } 20708a1b9b6aSSam Leffler 2071eca3b4fcSAdrian Chadd /* 2072eca3b4fcSAdrian Chadd * Clear any entry in the unicast key mapping table. 2073eca3b4fcSAdrian Chadd */ 2074eca3b4fcSAdrian Chadd static int 2075eca3b4fcSAdrian Chadd node_clear_keyixmap(struct ieee80211_node_table *nt, struct ieee80211_node *ni) 2076eca3b4fcSAdrian Chadd { 2077eca3b4fcSAdrian Chadd ieee80211_keyix keyix; 2078eca3b4fcSAdrian Chadd 2079eca3b4fcSAdrian Chadd keyix = ni->ni_ucastkey.wk_rxkeyix; 2080eca3b4fcSAdrian Chadd if (nt->nt_keyixmap != NULL && keyix < nt->nt_keyixmax && 2081eca3b4fcSAdrian Chadd nt->nt_keyixmap[keyix] == ni) { 2082eca3b4fcSAdrian Chadd IEEE80211_DPRINTF(ni->ni_vap, IEEE80211_MSG_NODE, 2083eca3b4fcSAdrian Chadd "%s: %p<%s> clear key map entry %u\n", 2084eca3b4fcSAdrian Chadd __func__, ni, ether_sprintf(ni->ni_macaddr), keyix); 2085eca3b4fcSAdrian Chadd nt->nt_keyixmap[keyix] = NULL; 2086eca3b4fcSAdrian Chadd ieee80211_node_decref(ni); 2087eca3b4fcSAdrian Chadd return 1; 2088eca3b4fcSAdrian Chadd } 2089eca3b4fcSAdrian Chadd 2090eca3b4fcSAdrian Chadd return 0; 2091eca3b4fcSAdrian Chadd } 2092eca3b4fcSAdrian Chadd 20938a1b9b6aSSam Leffler void 20948a1b9b6aSSam Leffler #ifdef IEEE80211_DEBUG_REFCNT 20958a1b9b6aSSam Leffler ieee80211_free_node_debug(struct ieee80211_node *ni, const char *func, int line) 20968a1b9b6aSSam Leffler #else 20978a1b9b6aSSam Leffler ieee80211_free_node(struct ieee80211_node *ni) 20988a1b9b6aSSam Leffler #endif 20998a1b9b6aSSam Leffler { 21008a1b9b6aSSam Leffler struct ieee80211_node_table *nt = ni->ni_table; 21018a1b9b6aSSam Leffler 21028a1b9b6aSSam Leffler #ifdef IEEE80211_DEBUG_REFCNT 2103b032f27cSSam Leffler IEEE80211_DPRINTF(ni->ni_vap, IEEE80211_MSG_NODE, 210449a15236SSam Leffler "%s (%s:%u) %p<%s> refcnt %d\n", __func__, func, line, ni, 21058a1b9b6aSSam Leffler ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni)-1); 21068a1b9b6aSSam Leffler #endif 2107c1225b52SSam Leffler if (nt != NULL) { 2108c1225b52SSam Leffler IEEE80211_NODE_LOCK(nt); 21098a1b9b6aSSam Leffler if (ieee80211_node_dectestref(ni)) { 21108a1b9b6aSSam Leffler /* 2111c1225b52SSam Leffler * Last reference, reclaim state. 21128a1b9b6aSSam Leffler */ 21138a1b9b6aSSam Leffler _ieee80211_free_node(ni); 2114eca3b4fcSAdrian Chadd } else if (ieee80211_node_refcnt(ni) == 1) 2115eca3b4fcSAdrian Chadd if (node_clear_keyixmap(nt, ni)) 21168a1b9b6aSSam Leffler _ieee80211_free_node(ni); 2117c1225b52SSam Leffler IEEE80211_NODE_UNLOCK(nt); 2118c1225b52SSam Leffler } else { 2119c1225b52SSam Leffler if (ieee80211_node_dectestref(ni)) 2120c1225b52SSam Leffler _ieee80211_free_node(ni); 2121c1225b52SSam Leffler } 2122c1225b52SSam Leffler } 2123c1225b52SSam Leffler 2124c1225b52SSam Leffler /* 2125c1225b52SSam Leffler * Reclaim a unicast key and clear any key cache state. 2126c1225b52SSam Leffler */ 2127c1225b52SSam Leffler int 2128c1225b52SSam Leffler ieee80211_node_delucastkey(struct ieee80211_node *ni) 2129c1225b52SSam Leffler { 213037e9743aSSam Leffler struct ieee80211com *ic = ni->ni_ic; 213137e9743aSSam Leffler struct ieee80211_node_table *nt = &ic->ic_sta; 2132c1225b52SSam Leffler struct ieee80211_node *nikey; 2133c1225b52SSam Leffler ieee80211_keyix keyix; 2134c1225b52SSam Leffler int isowned, status; 2135c1225b52SSam Leffler 2136c1225b52SSam Leffler /* 2137c1225b52SSam Leffler * NB: We must beware of LOR here; deleting the key 2138c1225b52SSam Leffler * can cause the crypto layer to block traffic updates 2139c1225b52SSam Leffler * which can generate a LOR against the node table lock; 2140c1225b52SSam Leffler * grab it here and stash the key index for our use below. 2141c1225b52SSam Leffler * 2142c1225b52SSam Leffler * Must also beware of recursion on the node table lock. 2143c1225b52SSam Leffler * When called from node_cleanup we may already have 2144c1225b52SSam Leffler * the node table lock held. Unfortunately there's no 2145c1225b52SSam Leffler * way to separate out this path so we must do this 2146c1225b52SSam Leffler * conditionally. 2147c1225b52SSam Leffler */ 2148c1225b52SSam Leffler isowned = IEEE80211_NODE_IS_LOCKED(nt); 2149c1225b52SSam Leffler if (!isowned) 2150c1225b52SSam Leffler IEEE80211_NODE_LOCK(nt); 215137e9743aSSam Leffler nikey = NULL; 215237e9743aSSam Leffler status = 1; /* NB: success */ 2153ca92652aSSam Leffler if (ni->ni_ucastkey.wk_keyix != IEEE80211_KEYIX_NONE) { 2154c1225b52SSam Leffler keyix = ni->ni_ucastkey.wk_rxkeyix; 215537e9743aSSam Leffler status = ieee80211_crypto_delkey(ni->ni_vap, &ni->ni_ucastkey); 2156c1225b52SSam Leffler if (nt->nt_keyixmap != NULL && keyix < nt->nt_keyixmax) { 2157c1225b52SSam Leffler nikey = nt->nt_keyixmap[keyix]; 2158c2ede4b3SMartin Blapp nt->nt_keyixmap[keyix] = NULL; 215937e9743aSSam Leffler } 216037e9743aSSam Leffler } 2161c1225b52SSam Leffler if (!isowned) 2162b032f27cSSam Leffler IEEE80211_NODE_UNLOCK(nt); 2163c1225b52SSam Leffler 2164c1225b52SSam Leffler if (nikey != NULL) { 2165c1225b52SSam Leffler KASSERT(nikey == ni, 2166c1225b52SSam Leffler ("key map out of sync, ni %p nikey %p", ni, nikey)); 216737e9743aSSam Leffler IEEE80211_DPRINTF(ni->ni_vap, IEEE80211_MSG_NODE, 2168c1225b52SSam Leffler "%s: delete key map entry %p<%s> refcnt %d\n", 2169c1225b52SSam Leffler __func__, ni, ether_sprintf(ni->ni_macaddr), 2170c1225b52SSam Leffler ieee80211_node_refcnt(ni)-1); 2171c1225b52SSam Leffler ieee80211_free_node(ni); 2172c1225b52SSam Leffler } 2173c1225b52SSam Leffler return status; 2174c1225b52SSam Leffler } 21751a1e1d21SSam Leffler 2176303ebc3cSSam Leffler /* 21778a1b9b6aSSam Leffler * Reclaim a node. If this is the last reference count then 21788a1b9b6aSSam Leffler * do the normal free work. Otherwise remove it from the node 21798a1b9b6aSSam Leffler * table and mark it gone by clearing the back-reference. 21808a1b9b6aSSam Leffler */ 21818a1b9b6aSSam Leffler static void 21828a1b9b6aSSam Leffler node_reclaim(struct ieee80211_node_table *nt, struct ieee80211_node *ni) 21838a1b9b6aSSam Leffler { 2184c1225b52SSam Leffler 2185c1225b52SSam Leffler IEEE80211_NODE_LOCK_ASSERT(nt); 21868a1b9b6aSSam Leffler 2187b032f27cSSam Leffler IEEE80211_DPRINTF(ni->ni_vap, IEEE80211_MSG_NODE, 218849a15236SSam Leffler "%s: remove %p<%s> from %s table, refcnt %d\n", 218949a15236SSam Leffler __func__, ni, ether_sprintf(ni->ni_macaddr), 219049a15236SSam Leffler nt->nt_name, ieee80211_node_refcnt(ni)-1); 2191c1225b52SSam Leffler /* 2192c1225b52SSam Leffler * Clear any entry in the unicast key mapping table. 2193c1225b52SSam Leffler * We need to do it here so rx lookups don't find it 2194c1225b52SSam Leffler * in the mapping table even if it's not in the hash 2195c1225b52SSam Leffler * table. We cannot depend on the mapping table entry 2196c1225b52SSam Leffler * being cleared because the node may not be free'd. 2197c1225b52SSam Leffler */ 2198eca3b4fcSAdrian Chadd (void)node_clear_keyixmap(nt, ni); 21998a1b9b6aSSam Leffler if (!ieee80211_node_dectestref(ni)) { 22008a1b9b6aSSam Leffler /* 22018a1b9b6aSSam Leffler * Other references are present, just remove the 22028a1b9b6aSSam Leffler * node from the table so it cannot be found. When 22038a1b9b6aSSam Leffler * the references are dropped storage will be 2204acc4f7f5SSam Leffler * reclaimed. 22058a1b9b6aSSam Leffler */ 2206d2e877f0SAndriy Voskoboinyk ieee80211_del_node_nt(nt, ni); 22078a1b9b6aSSam Leffler } else 22088a1b9b6aSSam Leffler _ieee80211_free_node(ni); 22098a1b9b6aSSam Leffler } 22108a1b9b6aSSam Leffler 2211b032f27cSSam Leffler /* 2212b032f27cSSam Leffler * Node table support. 2213b032f27cSSam Leffler */ 2214b032f27cSSam Leffler 2215b032f27cSSam Leffler static void 2216b032f27cSSam Leffler ieee80211_node_table_init(struct ieee80211com *ic, 2217b032f27cSSam Leffler struct ieee80211_node_table *nt, 2218b032f27cSSam Leffler const char *name, int inact, int keyixmax) 2219b032f27cSSam Leffler { 2220b032f27cSSam Leffler 2221b032f27cSSam Leffler nt->nt_ic = ic; 2222c8f5794eSGleb Smirnoff IEEE80211_NODE_LOCK_INIT(nt, ic->ic_name); 2223b032f27cSSam Leffler TAILQ_INIT(&nt->nt_node); 2224d2e877f0SAndriy Voskoboinyk nt->nt_count = 0; 2225b032f27cSSam Leffler nt->nt_name = name; 2226b032f27cSSam Leffler nt->nt_inact_init = inact; 2227b032f27cSSam Leffler nt->nt_keyixmax = keyixmax; 2228b032f27cSSam Leffler if (nt->nt_keyixmax > 0) { 2229b9b53389SAdrian Chadd nt->nt_keyixmap = (struct ieee80211_node **) IEEE80211_MALLOC( 2230c5abbba3SDag-Erling Smørgrav keyixmax * sizeof(struct ieee80211_node *), 2231b9b53389SAdrian Chadd M_80211_NODE, 2232b9b53389SAdrian Chadd IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2233b032f27cSSam Leffler if (nt->nt_keyixmap == NULL) 2234c8f5794eSGleb Smirnoff ic_printf(ic, 2235b032f27cSSam Leffler "Cannot allocate key index map with %u entries\n", 2236b032f27cSSam Leffler keyixmax); 2237b032f27cSSam Leffler } else 2238b032f27cSSam Leffler nt->nt_keyixmap = NULL; 2239b032f27cSSam Leffler } 2240b032f27cSSam Leffler 2241b032f27cSSam Leffler static void 2242b032f27cSSam Leffler ieee80211_node_table_reset(struct ieee80211_node_table *nt, 2243b032f27cSSam Leffler struct ieee80211vap *match) 2244b032f27cSSam Leffler { 2245b032f27cSSam Leffler struct ieee80211_node *ni, *next; 2246b032f27cSSam Leffler 2247b032f27cSSam Leffler IEEE80211_NODE_LOCK(nt); 2248b032f27cSSam Leffler TAILQ_FOREACH_SAFE(ni, &nt->nt_node, ni_list, next) { 2249b032f27cSSam Leffler if (match != NULL && ni->ni_vap != match) 2250b032f27cSSam Leffler continue; 2251b032f27cSSam Leffler /* XXX can this happen? if so need's work */ 2252b032f27cSSam Leffler if (ni->ni_associd != 0) { 2253b032f27cSSam Leffler struct ieee80211vap *vap = ni->ni_vap; 2254b032f27cSSam Leffler 2255b032f27cSSam Leffler if (vap->iv_auth->ia_node_leave != NULL) 2256b032f27cSSam Leffler vap->iv_auth->ia_node_leave(ni); 2257b032f27cSSam Leffler if (vap->iv_aid_bitmap != NULL) 2258b032f27cSSam Leffler IEEE80211_AID_CLR(vap, ni->ni_associd); 2259b032f27cSSam Leffler } 2260b032f27cSSam Leffler ni->ni_wdsvap = NULL; /* clear reference */ 22618a1b9b6aSSam Leffler node_reclaim(nt, ni); 22628a1b9b6aSSam Leffler } 2263b032f27cSSam Leffler if (match != NULL && match->iv_opmode == IEEE80211_M_WDS) { 2264b032f27cSSam Leffler /* 2265b032f27cSSam Leffler * Make a separate pass to clear references to this vap 2266b032f27cSSam Leffler * held by DWDS entries. They will not be matched above 2267b032f27cSSam Leffler * because ni_vap will point to the ap vap but we still 2268b032f27cSSam Leffler * need to clear ni_wdsvap when the WDS vap is destroyed 2269b032f27cSSam Leffler * and/or reset. 2270b032f27cSSam Leffler */ 2271b032f27cSSam Leffler TAILQ_FOREACH_SAFE(ni, &nt->nt_node, ni_list, next) 2272b032f27cSSam Leffler if (ni->ni_wdsvap == match) 2273b032f27cSSam Leffler ni->ni_wdsvap = NULL; 2274b032f27cSSam Leffler } 2275b032f27cSSam Leffler IEEE80211_NODE_UNLOCK(nt); 2276b032f27cSSam Leffler } 2277b032f27cSSam Leffler 2278b032f27cSSam Leffler static void 2279b032f27cSSam Leffler ieee80211_node_table_cleanup(struct ieee80211_node_table *nt) 2280b032f27cSSam Leffler { 2281b032f27cSSam Leffler ieee80211_node_table_reset(nt, NULL); 2282b032f27cSSam Leffler if (nt->nt_keyixmap != NULL) { 2283b032f27cSSam Leffler #ifdef DIAGNOSTIC 2284b032f27cSSam Leffler /* XXX verify all entries are NULL */ 2285b032f27cSSam Leffler int i; 2286b032f27cSSam Leffler for (i = 0; i < nt->nt_keyixmax; i++) 2287b032f27cSSam Leffler if (nt->nt_keyixmap[i] != NULL) 2288b032f27cSSam Leffler printf("%s: %s[%u] still active\n", __func__, 2289b032f27cSSam Leffler nt->nt_name, i); 2290b032f27cSSam Leffler #endif 2291b9b53389SAdrian Chadd IEEE80211_FREE(nt->nt_keyixmap, M_80211_NODE); 2292b032f27cSSam Leffler nt->nt_keyixmap = NULL; 2293b032f27cSSam Leffler } 2294b032f27cSSam Leffler IEEE80211_NODE_LOCK_DESTROY(nt); 22958a1b9b6aSSam Leffler } 22968a1b9b6aSSam Leffler 22978a1b9b6aSSam Leffler static void 229803475bd0SAdrian Chadd timeout_stations(void *arg __unused, struct ieee80211_node *ni) 22991a1e1d21SSam Leffler { 230003475bd0SAdrian Chadd struct ieee80211com *ic = ni->ni_ic; 230103475bd0SAdrian Chadd struct ieee80211vap *vap = ni->ni_vap; 23021a1e1d21SSam Leffler 2303b032f27cSSam Leffler /* 2304b032f27cSSam Leffler * Only process stations when in RUN state. This 2305b032f27cSSam Leffler * insures, for example, that we don't timeout an 2306b032f27cSSam Leffler * inactive station during CAC. Note that CSA state 2307b032f27cSSam Leffler * is actually handled in ieee80211_node_timeout as 2308b032f27cSSam Leffler * it applies to more than timeout processing. 2309b032f27cSSam Leffler */ 2310b032f27cSSam Leffler if (vap->iv_state != IEEE80211_S_RUN) 231103475bd0SAdrian Chadd return; 231203475bd0SAdrian Chadd /* 231303475bd0SAdrian Chadd * Ignore entries for which have yet to receive an 231403475bd0SAdrian Chadd * authentication frame. These are transient and 231503475bd0SAdrian Chadd * will be reclaimed when the last reference to them 231603475bd0SAdrian Chadd * goes away (when frame xmits complete). 231703475bd0SAdrian Chadd */ 2318b032f27cSSam Leffler if ((vap->iv_opmode == IEEE80211_M_HOSTAP || 2319b032f27cSSam Leffler vap->iv_opmode == IEEE80211_M_STA) && 232044b666cdSSam Leffler (ni->ni_flags & IEEE80211_NODE_AREF) == 0) 232103475bd0SAdrian Chadd return; 2322ebdda46cSSam Leffler /* 23238a1b9b6aSSam Leffler * Free fragment if not needed anymore 23248a1b9b6aSSam Leffler * (last fragment older than 1s). 2325b032f27cSSam Leffler * XXX doesn't belong here, move to node_age 23260a915fadSSam Leffler */ 23278a1b9b6aSSam Leffler if (ni->ni_rxfrag[0] != NULL && 23288a1b9b6aSSam Leffler ticks > ni->ni_rxfragstamp + hz) { 23298a1b9b6aSSam Leffler m_freem(ni->ni_rxfrag[0]); 23308a1b9b6aSSam Leffler ni->ni_rxfrag[0] = NULL; 23318a1b9b6aSSam Leffler } 2332be1054edSSam Leffler if (ni->ni_inact > 0) { 2333c066143cSSam Leffler ni->ni_inact--; 2334be1054edSSam Leffler IEEE80211_NOTE(vap, IEEE80211_MSG_INACT, ni, 2335be1054edSSam Leffler "%s: inact %u inact_reload %u nrates %u", 2336be1054edSSam Leffler __func__, ni->ni_inact, ni->ni_inact_reload, 2337be1054edSSam Leffler ni->ni_rates.rs_nrates); 2338be1054edSSam Leffler } 2339ce647032SSam Leffler /* 2340ce647032SSam Leffler * Special case ourself; we may be idle for extended periods 2341ce647032SSam Leffler * of time and regardless reclaiming our state is wrong. 2342b032f27cSSam Leffler * XXX run ic_node_age 2343ce647032SSam Leffler */ 234403475bd0SAdrian Chadd /* XXX before inact decrement? */ 2345b032f27cSSam Leffler if (ni == vap->iv_bss) 234603475bd0SAdrian Chadd return; 2347b032f27cSSam Leffler if (ni->ni_associd != 0 || 2348b032f27cSSam Leffler (vap->iv_opmode == IEEE80211_M_IBSS || 2349b032f27cSSam Leffler vap->iv_opmode == IEEE80211_M_AHDEMO)) { 23508a1b9b6aSSam Leffler /* 2351b032f27cSSam Leffler * Age/drain resources held by the station. 23528a1b9b6aSSam Leffler */ 2353b032f27cSSam Leffler ic->ic_node_age(ni); 23548a1b9b6aSSam Leffler /* 23558a1b9b6aSSam Leffler * Probe the station before time it out. We 23568a1b9b6aSSam Leffler * send a null data frame which may not be 23578a1b9b6aSSam Leffler * universally supported by drivers (need it 23588a1b9b6aSSam Leffler * for ps-poll support so it should be...). 235968e8e04eSSam Leffler * 236068e8e04eSSam Leffler * XXX don't probe the station unless we've 236168e8e04eSSam Leffler * received a frame from them (and have 236268e8e04eSSam Leffler * some idea of the rates they are capable 236368e8e04eSSam Leffler * of); this will get fixed more properly 236468e8e04eSSam Leffler * soon with better handling of the rate set. 23658a1b9b6aSSam Leffler */ 2366b032f27cSSam Leffler if ((vap->iv_flags_ext & IEEE80211_FEXT_INACT) && 2367c066143cSSam Leffler (0 < ni->ni_inact && 2368b032f27cSSam Leffler ni->ni_inact <= vap->iv_inact_probe) && 236968e8e04eSSam Leffler ni->ni_rates.rs_nrates != 0) { 2370b032f27cSSam Leffler IEEE80211_NOTE(vap, 2371f66d97f6SSam Leffler IEEE80211_MSG_INACT | IEEE80211_MSG_NODE, 2372f66d97f6SSam Leffler ni, "%s", 2373f66d97f6SSam Leffler "probe station due to inactivity"); 237419ad2dd7SSam Leffler /* 237503475bd0SAdrian Chadd * Grab a reference so the node cannot 237603475bd0SAdrian Chadd * be reclaimed before we send the frame. 237703475bd0SAdrian Chadd * ieee80211_send_nulldata understands 237803475bd0SAdrian Chadd * we've done this and reclaims the 237919ad2dd7SSam Leffler * ref for us as needed. 238019ad2dd7SSam Leffler */ 238103475bd0SAdrian Chadd /* XXX fix this (not required anymore). */ 238219ad2dd7SSam Leffler ieee80211_ref_node(ni); 238303475bd0SAdrian Chadd /* XXX useless */ 2384f62121ceSSam Leffler ieee80211_send_nulldata(ni); 23858a1b9b6aSSam Leffler /* XXX stat? */ 238603475bd0SAdrian Chadd return; 23878a1b9b6aSSam Leffler } 23888a1b9b6aSSam Leffler } 2389b032f27cSSam Leffler if ((vap->iv_flags_ext & IEEE80211_FEXT_INACT) && 2390c066143cSSam Leffler ni->ni_inact <= 0) { 2391b032f27cSSam Leffler IEEE80211_NOTE(vap, 2392f66d97f6SSam Leffler IEEE80211_MSG_INACT | IEEE80211_MSG_NODE, ni, 2393f66d97f6SSam Leffler "station timed out due to inactivity " 2394f66d97f6SSam Leffler "(refcnt %u)", ieee80211_node_refcnt(ni)); 23958a1b9b6aSSam Leffler /* 23968a1b9b6aSSam Leffler * Send a deauthenticate frame and drop the station. 23978a1b9b6aSSam Leffler * This is somewhat complicated due to reference counts 23988a1b9b6aSSam Leffler * and locking. At this point a station will typically 239903475bd0SAdrian Chadd * have a reference count of 2. ieee80211_node_leave 24008a1b9b6aSSam Leffler * will do a "free" of the node which will drop the 24018a1b9b6aSSam Leffler * reference count. But in the meantime a reference 24028a1b9b6aSSam Leffler * wil be held by the deauth frame. The actual reclaim 24038a1b9b6aSSam Leffler * of the node will happen either after the tx is 24048a1b9b6aSSam Leffler * completed or by ieee80211_node_leave. 24058a1b9b6aSSam Leffler */ 24068a1b9b6aSSam Leffler if (ni->ni_associd != 0) { 2407b032f27cSSam Leffler IEEE80211_SEND_MGMT(ni, 24081a1e1d21SSam Leffler IEEE80211_FC0_SUBTYPE_DEAUTH, 24091a1e1d21SSam Leffler IEEE80211_REASON_AUTH_EXPIRE); 24108a1b9b6aSSam Leffler } 2411b032f27cSSam Leffler ieee80211_node_leave(ni); 2412b032f27cSSam Leffler vap->iv_stats.is_node_timeout++; 2413303ebc3cSSam Leffler } 24141a1e1d21SSam Leffler } 24158a1b9b6aSSam Leffler 241603475bd0SAdrian Chadd /* 241703475bd0SAdrian Chadd * Timeout inactive stations and do related housekeeping. 241803475bd0SAdrian Chadd */ 241903475bd0SAdrian Chadd static void 242003475bd0SAdrian Chadd ieee80211_timeout_stations(struct ieee80211com *ic) 242103475bd0SAdrian Chadd { 242203475bd0SAdrian Chadd struct ieee80211_node_table *nt = &ic->ic_sta; 242303475bd0SAdrian Chadd 242403475bd0SAdrian Chadd ieee80211_iterate_nodes(nt, timeout_stations, NULL); 242568e8e04eSSam Leffler } 24268a1b9b6aSSam Leffler 2427b032f27cSSam Leffler /* 2428b032f27cSSam Leffler * Aggressively reclaim resources. This should be used 2429b032f27cSSam Leffler * only in a critical situation to reclaim mbuf resources. 2430b032f27cSSam Leffler */ 2431b032f27cSSam Leffler void 2432b032f27cSSam Leffler ieee80211_drain(struct ieee80211com *ic) 2433b032f27cSSam Leffler { 2434b032f27cSSam Leffler struct ieee80211_node_table *nt = &ic->ic_sta; 2435b032f27cSSam Leffler struct ieee80211vap *vap; 2436b032f27cSSam Leffler struct ieee80211_node *ni; 2437b032f27cSSam Leffler 2438b032f27cSSam Leffler IEEE80211_NODE_LOCK(nt); 2439b032f27cSSam Leffler TAILQ_FOREACH(ni, &nt->nt_node, ni_list) { 2440b032f27cSSam Leffler /* 2441b032f27cSSam Leffler * Ignore entries for which have yet to receive an 2442b032f27cSSam Leffler * authentication frame. These are transient and 2443b032f27cSSam Leffler * will be reclaimed when the last reference to them 2444b032f27cSSam Leffler * goes away (when frame xmits complete). 2445b032f27cSSam Leffler */ 2446b032f27cSSam Leffler vap = ni->ni_vap; 2447b032f27cSSam Leffler /* 2448b032f27cSSam Leffler * Only process stations when in RUN state. This 2449b032f27cSSam Leffler * insures, for example, that we don't timeout an 2450b032f27cSSam Leffler * inactive station during CAC. Note that CSA state 2451b032f27cSSam Leffler * is actually handled in ieee80211_node_timeout as 2452b032f27cSSam Leffler * it applies to more than timeout processing. 2453b032f27cSSam Leffler */ 2454b032f27cSSam Leffler if (vap->iv_state != IEEE80211_S_RUN) 2455b032f27cSSam Leffler continue; 2456b032f27cSSam Leffler /* XXX can vap be NULL? */ 2457b032f27cSSam Leffler if ((vap->iv_opmode == IEEE80211_M_HOSTAP || 2458b032f27cSSam Leffler vap->iv_opmode == IEEE80211_M_STA) && 2459b032f27cSSam Leffler (ni->ni_flags & IEEE80211_NODE_AREF) == 0) 2460b032f27cSSam Leffler continue; 2461b032f27cSSam Leffler /* 2462b032f27cSSam Leffler * Free fragments. 2463b032f27cSSam Leffler * XXX doesn't belong here, move to node_drain 2464b032f27cSSam Leffler */ 2465b032f27cSSam Leffler if (ni->ni_rxfrag[0] != NULL) { 2466b032f27cSSam Leffler m_freem(ni->ni_rxfrag[0]); 2467b032f27cSSam Leffler ni->ni_rxfrag[0] = NULL; 2468b032f27cSSam Leffler } 2469b032f27cSSam Leffler /* 2470b032f27cSSam Leffler * Drain resources held by the station. 2471b032f27cSSam Leffler */ 2472b032f27cSSam Leffler ic->ic_node_drain(ni); 2473b032f27cSSam Leffler } 2474b032f27cSSam Leffler IEEE80211_NODE_UNLOCK(nt); 2475b032f27cSSam Leffler } 2476b032f27cSSam Leffler 2477b032f27cSSam Leffler /* 2478b032f27cSSam Leffler * Per-ieee80211com inactivity timer callback. 2479b032f27cSSam Leffler */ 248068e8e04eSSam Leffler void 248168e8e04eSSam Leffler ieee80211_node_timeout(void *arg) 248268e8e04eSSam Leffler { 248368e8e04eSSam Leffler struct ieee80211com *ic = arg; 248468e8e04eSSam Leffler 2485b032f27cSSam Leffler /* 2486b032f27cSSam Leffler * Defer timeout processing if a channel switch is pending. 2487b032f27cSSam Leffler * We typically need to be mute so not doing things that 2488b032f27cSSam Leffler * might generate frames is good to handle in one place. 2489a4641f4eSPedro F. Giffuni * Suppressing the station timeout processing may extend the 2490b032f27cSSam Leffler * lifetime of inactive stations (by not decrementing their 2491b032f27cSSam Leffler * idle counters) but this should be ok unless the CSA is 2492b032f27cSSam Leffler * active for an unusually long time. 2493b032f27cSSam Leffler */ 2494b032f27cSSam Leffler if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) { 249568e8e04eSSam Leffler ieee80211_scan_timeout(ic); 2496b032f27cSSam Leffler ieee80211_timeout_stations(ic); 24975b16c28cSSam Leffler ieee80211_ageq_age(&ic->ic_stageq, IEEE80211_INACT_WAIT); 249868e8e04eSSam Leffler 2499b105a069SSam Leffler IEEE80211_LOCK(ic); 2500b105a069SSam Leffler ieee80211_erp_timeout(ic); 25011b6167d2SSam Leffler ieee80211_ht_timeout(ic); 250251172f62SAdrian Chadd ieee80211_vht_timeout(ic); 2503b105a069SSam Leffler IEEE80211_UNLOCK(ic); 2504b032f27cSSam Leffler } 250568e8e04eSSam Leffler callout_reset(&ic->ic_inact, IEEE80211_INACT_WAIT*hz, 250668e8e04eSSam Leffler ieee80211_node_timeout, ic); 25071a1e1d21SSam Leffler } 25081a1e1d21SSam Leffler 25097d684b4bSAdrian Chadd /* 2510d2e877f0SAndriy Voskoboinyk * The same as ieee80211_iterate_nodes(), but for one vap only. 2511d2e877f0SAndriy Voskoboinyk */ 2512d2e877f0SAndriy Voskoboinyk int 2513d2e877f0SAndriy Voskoboinyk ieee80211_iterate_nodes_vap(struct ieee80211_node_table *nt, 2514d2e877f0SAndriy Voskoboinyk struct ieee80211vap *vap, ieee80211_iter_func *f, void *arg) 2515d2e877f0SAndriy Voskoboinyk { 2516d2e877f0SAndriy Voskoboinyk struct ieee80211_node **ni_arr; 2517d2e877f0SAndriy Voskoboinyk struct ieee80211_node *ni; 2518d2e877f0SAndriy Voskoboinyk size_t size; 2519d2e877f0SAndriy Voskoboinyk int count, i; 2520d2e877f0SAndriy Voskoboinyk 2521d2e877f0SAndriy Voskoboinyk /* 2522d2e877f0SAndriy Voskoboinyk * Iterate over the node table and save an array of ref'ed nodes. 25237d684b4bSAdrian Chadd * 25247d684b4bSAdrian Chadd * This is separated out from calling the actual node function so that 25257d684b4bSAdrian Chadd * no LORs will occur. 25267d684b4bSAdrian Chadd */ 25277d684b4bSAdrian Chadd IEEE80211_NODE_LOCK(nt); 2528d2e877f0SAndriy Voskoboinyk count = nt->nt_count; 2529d2e877f0SAndriy Voskoboinyk size = count * sizeof(struct ieee80211_node *); 2530d2e877f0SAndriy Voskoboinyk ni_arr = (struct ieee80211_node **) IEEE80211_MALLOC(size, M_80211_NODE, 2531d2e877f0SAndriy Voskoboinyk IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2532d2e877f0SAndriy Voskoboinyk if (ni_arr == NULL) { 2533d2e877f0SAndriy Voskoboinyk IEEE80211_NODE_UNLOCK(nt); 2534d2e877f0SAndriy Voskoboinyk return (ENOMEM); 25357d684b4bSAdrian Chadd } 2536d2e877f0SAndriy Voskoboinyk 2537d2e877f0SAndriy Voskoboinyk i = 0; 2538d2e877f0SAndriy Voskoboinyk TAILQ_FOREACH(ni, &nt->nt_node, ni_list) { 2539d2e877f0SAndriy Voskoboinyk if (vap != NULL && ni->ni_vap != vap) 2540d2e877f0SAndriy Voskoboinyk continue; 2541d2e877f0SAndriy Voskoboinyk KASSERT(i < count, 2542d2e877f0SAndriy Voskoboinyk ("node array overflow (vap %p, i %d, count %d)\n", 2543d2e877f0SAndriy Voskoboinyk vap, i, count)); 25447d684b4bSAdrian Chadd ni_arr[i] = ieee80211_ref_node(ni); 25457d684b4bSAdrian Chadd i++; 25467d684b4bSAdrian Chadd } 25477d684b4bSAdrian Chadd IEEE80211_NODE_UNLOCK(nt); 25487d684b4bSAdrian Chadd 2549d2e877f0SAndriy Voskoboinyk for (i = 0; i < count; i++) { 25507d684b4bSAdrian Chadd if (ni_arr[i] == NULL) /* end of the list */ 25517d684b4bSAdrian Chadd break; 25527d684b4bSAdrian Chadd (*f)(arg, ni_arr[i]); 25537d684b4bSAdrian Chadd /* ieee80211_free_node() locks by itself */ 25547d684b4bSAdrian Chadd ieee80211_free_node(ni_arr[i]); 25557d684b4bSAdrian Chadd } 25567d684b4bSAdrian Chadd 2557b9b53389SAdrian Chadd IEEE80211_FREE(ni_arr, M_80211_NODE); 2558d2e877f0SAndriy Voskoboinyk 2559d2e877f0SAndriy Voskoboinyk return (0); 2560d2e877f0SAndriy Voskoboinyk } 2561d2e877f0SAndriy Voskoboinyk 2562d2e877f0SAndriy Voskoboinyk /* 2563d2e877f0SAndriy Voskoboinyk * Just a wrapper, so we don't have to change every ieee80211_iterate_nodes() 2564d2e877f0SAndriy Voskoboinyk * reference in the source. 2565d2e877f0SAndriy Voskoboinyk */ 2566d2e877f0SAndriy Voskoboinyk void 2567d2e877f0SAndriy Voskoboinyk ieee80211_iterate_nodes(struct ieee80211_node_table *nt, 2568d2e877f0SAndriy Voskoboinyk ieee80211_iter_func *f, void *arg) 2569d2e877f0SAndriy Voskoboinyk { 2570d2e877f0SAndriy Voskoboinyk /* XXX no way to pass error to the caller. */ 2571d2e877f0SAndriy Voskoboinyk (void) ieee80211_iterate_nodes_vap(nt, NULL, f, arg); 25728a1b9b6aSSam Leffler } 25738a1b9b6aSSam Leffler 25748a1b9b6aSSam Leffler void 25758a1b9b6aSSam Leffler ieee80211_dump_node(struct ieee80211_node_table *nt, struct ieee80211_node *ni) 25768a1b9b6aSSam Leffler { 25778a1b9b6aSSam Leffler printf("0x%p: mac %s refcnt %d\n", ni, 25788a1b9b6aSSam Leffler ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni)); 257903475bd0SAdrian Chadd printf("\tauthmode %u flags 0x%x\n", 258003475bd0SAdrian Chadd ni->ni_authmode, ni->ni_flags); 25818a1b9b6aSSam Leffler printf("\tassocid 0x%x txpower %u vlan %u\n", 25828a1b9b6aSSam Leffler ni->ni_associd, ni->ni_txpower, ni->ni_vlan); 25838a1b9b6aSSam Leffler printf("\ttxseq %u rxseq %u fragno %u rxfragstamp %u\n", 2584801df4a5SSam Leffler ni->ni_txseqs[IEEE80211_NONQOS_TID], 2585801df4a5SSam Leffler ni->ni_rxseqs[IEEE80211_NONQOS_TID] >> IEEE80211_SEQ_SEQ_SHIFT, 2586801df4a5SSam Leffler ni->ni_rxseqs[IEEE80211_NONQOS_TID] & IEEE80211_SEQ_FRAG_MASK, 25878a1b9b6aSSam Leffler ni->ni_rxfragstamp); 25885463c4a4SSam Leffler printf("\trssi %d noise %d intval %u capinfo 0x%x\n", 25895463c4a4SSam Leffler node_getrssi(ni), ni->ni_noise, 259068e8e04eSSam Leffler ni->ni_intval, ni->ni_capinfo); 25918a1b9b6aSSam Leffler printf("\tbssid %s essid \"%.*s\" channel %u:0x%x\n", 25928a1b9b6aSSam Leffler ether_sprintf(ni->ni_bssid), 25938a1b9b6aSSam Leffler ni->ni_esslen, ni->ni_essid, 25948a1b9b6aSSam Leffler ni->ni_chan->ic_freq, ni->ni_chan->ic_flags); 2595be1054edSSam Leffler printf("\tinact %u inact_reload %u txrate %u\n", 2596be1054edSSam Leffler ni->ni_inact, ni->ni_inact_reload, ni->ni_txrate); 259768e8e04eSSam Leffler printf("\thtcap %x htparam %x htctlchan %u ht2ndchan %u\n", 259868e8e04eSSam Leffler ni->ni_htcap, ni->ni_htparam, 259968e8e04eSSam Leffler ni->ni_htctlchan, ni->ni_ht2ndchan); 260051172f62SAdrian Chadd printf("\thtopmode %x htstbc %x htchw %u\n", 260168e8e04eSSam Leffler ni->ni_htopmode, ni->ni_htstbc, ni->ni_chw); 260251172f62SAdrian Chadd printf("\tvhtcap %x freq1 %d freq2 %d vhtbasicmcs %x\n", 260351172f62SAdrian Chadd ni->ni_vhtcap, (int) ni->ni_vht_chan1, (int) ni->ni_vht_chan2, 260451172f62SAdrian Chadd (int) ni->ni_vht_basicmcs); 260551172f62SAdrian Chadd /* XXX VHT state */ 26068a1b9b6aSSam Leffler } 26078a1b9b6aSSam Leffler 26088a1b9b6aSSam Leffler void 26098a1b9b6aSSam Leffler ieee80211_dump_nodes(struct ieee80211_node_table *nt) 26108a1b9b6aSSam Leffler { 26118a1b9b6aSSam Leffler ieee80211_iterate_nodes(nt, 26128a1b9b6aSSam Leffler (ieee80211_iter_func *) ieee80211_dump_node, nt); 26138a1b9b6aSSam Leffler } 26148a1b9b6aSSam Leffler 26152dc4d8dcSSam Leffler static void 26162dc4d8dcSSam Leffler ieee80211_notify_erp_locked(struct ieee80211com *ic) 2617b105a069SSam Leffler { 2618b032f27cSSam Leffler struct ieee80211vap *vap; 2619b032f27cSSam Leffler 2620b032f27cSSam Leffler IEEE80211_LOCK_ASSERT(ic); 2621b032f27cSSam Leffler 2622b032f27cSSam Leffler TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) 2623b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2624b032f27cSSam Leffler ieee80211_beacon_notify(vap, IEEE80211_BEACON_ERP); 2625b105a069SSam Leffler } 2626b105a069SSam Leffler 26272dc4d8dcSSam Leffler void 26282dc4d8dcSSam Leffler ieee80211_notify_erp(struct ieee80211com *ic) 26292dc4d8dcSSam Leffler { 26302dc4d8dcSSam Leffler IEEE80211_LOCK(ic); 26312dc4d8dcSSam Leffler ieee80211_notify_erp_locked(ic); 26322dc4d8dcSSam Leffler IEEE80211_UNLOCK(ic); 26332dc4d8dcSSam Leffler } 26342dc4d8dcSSam Leffler 26358a1b9b6aSSam Leffler /* 26368a1b9b6aSSam Leffler * Handle a station joining an 11g network. 26378a1b9b6aSSam Leffler */ 26388a1b9b6aSSam Leffler static void 2639b032f27cSSam Leffler ieee80211_node_join_11g(struct ieee80211_node *ni) 26408a1b9b6aSSam Leffler { 2641b032f27cSSam Leffler struct ieee80211com *ic = ni->ni_ic; 26428a1b9b6aSSam Leffler 26431b6167d2SSam Leffler IEEE80211_LOCK_ASSERT(ic); 26441b6167d2SSam Leffler 26458a1b9b6aSSam Leffler /* 26468a1b9b6aSSam Leffler * Station isn't capable of short slot time. Bump 26478a1b9b6aSSam Leffler * the count of long slot time stations and disable 26488a1b9b6aSSam Leffler * use of short slot time. Note that the actual switch 26498a1b9b6aSSam Leffler * over to long slot time use may not occur until the 26508a1b9b6aSSam Leffler * next beacon transmission (per sec. 7.3.1.4 of 11g). 26518a1b9b6aSSam Leffler */ 26528a1b9b6aSSam Leffler if ((ni->ni_capinfo & IEEE80211_CAPINFO_SHORT_SLOTTIME) == 0) { 26538a1b9b6aSSam Leffler ic->ic_longslotsta++; 2654b032f27cSSam Leffler IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_ASSOC, ni, 2655b105a069SSam Leffler "station needs long slot time, count %d", 2656b105a069SSam Leffler ic->ic_longslotsta); 26578a1b9b6aSSam Leffler /* XXX vap's w/ conflicting needs won't work */ 265868e8e04eSSam Leffler if (!IEEE80211_IS_CHAN_108G(ic->ic_bsschan)) { 265968e8e04eSSam Leffler /* 266068e8e04eSSam Leffler * Don't force slot time when switched to turbo 266168e8e04eSSam Leffler * mode as non-ERP stations won't be present; this 266268e8e04eSSam Leffler * need only be done when on the normal G channel. 266368e8e04eSSam Leffler */ 26648a1b9b6aSSam Leffler ieee80211_set_shortslottime(ic, 0); 26658a1b9b6aSSam Leffler } 266668e8e04eSSam Leffler } 26678a1b9b6aSSam Leffler /* 26688a1b9b6aSSam Leffler * If the new station is not an ERP station 26698a1b9b6aSSam Leffler * then bump the counter and enable protection 26708a1b9b6aSSam Leffler * if configured. 26718a1b9b6aSSam Leffler */ 2672b032f27cSSam Leffler if (!ieee80211_iserp_rateset(&ni->ni_rates)) { 26738a1b9b6aSSam Leffler ic->ic_nonerpsta++; 2674b032f27cSSam Leffler IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_ASSOC, ni, 2675b105a069SSam Leffler "station is !ERP, %d non-ERP stations associated", 2676b105a069SSam Leffler ic->ic_nonerpsta); 26778a1b9b6aSSam Leffler /* 26788a1b9b6aSSam Leffler * If station does not support short preamble 26798a1b9b6aSSam Leffler * then we must enable use of Barker preamble. 26808a1b9b6aSSam Leffler */ 26818a1b9b6aSSam Leffler if ((ni->ni_capinfo & IEEE80211_CAPINFO_SHORT_PREAMBLE) == 0) { 2682b032f27cSSam Leffler IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_ASSOC, ni, 2683b105a069SSam Leffler "%s", "station needs long preamble"); 26848a1b9b6aSSam Leffler ic->ic_flags |= IEEE80211_F_USEBARKER; 26858a1b9b6aSSam Leffler ic->ic_flags &= ~IEEE80211_F_SHPREAMBLE; 26868a1b9b6aSSam Leffler } 2687b105a069SSam Leffler /* 2688b032f27cSSam Leffler * If protection is configured and this is the first 2689b032f27cSSam Leffler * indication we should use protection, enable it. 2690b105a069SSam Leffler */ 2691b105a069SSam Leffler if (ic->ic_protmode != IEEE80211_PROT_NONE && 2692b105a069SSam Leffler ic->ic_nonerpsta == 1 && 2693b105a069SSam Leffler (ic->ic_flags_ext & IEEE80211_FEXT_NONERP_PR) == 0) { 2694b032f27cSSam Leffler IEEE80211_DPRINTF(ni->ni_vap, IEEE80211_MSG_ASSOC, 2695b105a069SSam Leffler "%s: enable use of protection\n", __func__); 2696b105a069SSam Leffler ic->ic_flags |= IEEE80211_F_USEPROT; 26972dc4d8dcSSam Leffler ieee80211_notify_erp_locked(ic); 2698b105a069SSam Leffler } 26998a1b9b6aSSam Leffler } else 27008a1b9b6aSSam Leffler ni->ni_flags |= IEEE80211_NODE_ERP; 27018a1b9b6aSSam Leffler } 27028a1b9b6aSSam Leffler 27038a1b9b6aSSam Leffler void 2704b032f27cSSam Leffler ieee80211_node_join(struct ieee80211_node *ni, int resp) 27058a1b9b6aSSam Leffler { 2706b032f27cSSam Leffler struct ieee80211com *ic = ni->ni_ic; 2707b032f27cSSam Leffler struct ieee80211vap *vap = ni->ni_vap; 27088a1b9b6aSSam Leffler int newassoc; 27098a1b9b6aSSam Leffler 27108a1b9b6aSSam Leffler if (ni->ni_associd == 0) { 271168e8e04eSSam Leffler uint16_t aid; 27128a1b9b6aSSam Leffler 2713b032f27cSSam Leffler KASSERT(vap->iv_aid_bitmap != NULL, ("no aid bitmap")); 27148a1b9b6aSSam Leffler /* 27158a1b9b6aSSam Leffler * It would be good to search the bitmap 27168a1b9b6aSSam Leffler * more efficiently, but this will do for now. 27178a1b9b6aSSam Leffler */ 2718b032f27cSSam Leffler for (aid = 1; aid < vap->iv_max_aid; aid++) { 2719b032f27cSSam Leffler if (!IEEE80211_AID_ISSET(vap, aid)) 27208a1b9b6aSSam Leffler break; 27218a1b9b6aSSam Leffler } 2722b032f27cSSam Leffler if (aid >= vap->iv_max_aid) { 272313f91245SSam Leffler IEEE80211_SEND_MGMT(ni, resp, IEEE80211_STATUS_TOOMANY); 2724b032f27cSSam Leffler ieee80211_node_leave(ni); 27258a1b9b6aSSam Leffler return; 27268a1b9b6aSSam Leffler } 27278a1b9b6aSSam Leffler ni->ni_associd = aid | 0xc000; 27281b6167d2SSam Leffler ni->ni_jointime = time_uptime; 2729b032f27cSSam Leffler IEEE80211_LOCK(ic); 2730b032f27cSSam Leffler IEEE80211_AID_SET(vap, ni->ni_associd); 2731b032f27cSSam Leffler vap->iv_sta_assoc++; 27328a1b9b6aSSam Leffler ic->ic_sta_assoc++; 27331b6167d2SSam Leffler 27341b6167d2SSam Leffler if (IEEE80211_IS_CHAN_HT(ic->ic_bsschan)) 27351b6167d2SSam Leffler ieee80211_ht_node_join(ni); 273651172f62SAdrian Chadd if (IEEE80211_IS_CHAN_VHT(ic->ic_bsschan)) 273751172f62SAdrian Chadd ieee80211_vht_node_join(ni); 273868e8e04eSSam Leffler if (IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan) && 273968e8e04eSSam Leffler IEEE80211_IS_CHAN_FULL(ic->ic_bsschan)) 2740b032f27cSSam Leffler ieee80211_node_join_11g(ni); 27411b6167d2SSam Leffler IEEE80211_UNLOCK(ic); 27421b6167d2SSam Leffler 27431b6167d2SSam Leffler newassoc = 1; 27448a1b9b6aSSam Leffler } else 27458a1b9b6aSSam Leffler newassoc = 0; 27468a1b9b6aSSam Leffler 274751172f62SAdrian Chadd /* 274851172f62SAdrian Chadd * XXX VHT - should log VHT channel width, etc 274951172f62SAdrian Chadd */ 2750b032f27cSSam Leffler IEEE80211_NOTE(vap, IEEE80211_MSG_ASSOC | IEEE80211_MSG_DEBUG, ni, 275144f7a6edSSam Leffler "station associated at aid %d: %s preamble, %s slot time%s%s%s%s%s%s%s%s", 2752b8fcf546SSam Leffler IEEE80211_NODE_AID(ni), 2753b8fcf546SSam Leffler ic->ic_flags & IEEE80211_F_SHPREAMBLE ? "short" : "long", 2754b8fcf546SSam Leffler ic->ic_flags & IEEE80211_F_SHSLOT ? "short" : "long", 2755b8fcf546SSam Leffler ic->ic_flags & IEEE80211_F_USEPROT ? ", protection" : "", 275668e8e04eSSam Leffler ni->ni_flags & IEEE80211_NODE_QOS ? ", QoS" : "", 275751172f62SAdrian Chadd /* XXX update for VHT string */ 275868e8e04eSSam Leffler ni->ni_flags & IEEE80211_NODE_HT ? 27590f52b1c4SSam Leffler (ni->ni_chw == 40 ? ", HT40" : ", HT20") : "", 27601b6167d2SSam Leffler ni->ni_flags & IEEE80211_NODE_AMPDU ? " (+AMPDU)" : "", 27618c070d69SSam Leffler ni->ni_flags & IEEE80211_NODE_MIMO_RTS ? " (+SMPS-DYN)" : 27628c070d69SSam Leffler ni->ni_flags & IEEE80211_NODE_MIMO_PS ? " (+SMPS)" : "", 276344f7a6edSSam Leffler ni->ni_flags & IEEE80211_NODE_RIFS ? " (+RIFS)" : "", 2764b032f27cSSam Leffler IEEE80211_ATH_CAP(vap, ni, IEEE80211_NODE_FF) ? 276568e8e04eSSam Leffler ", fast-frames" : "", 2766b032f27cSSam Leffler IEEE80211_ATH_CAP(vap, ni, IEEE80211_NODE_TURBOP) ? 276768e8e04eSSam Leffler ", turbo" : "" 2768b8fcf546SSam Leffler ); 27698a1b9b6aSSam Leffler 2770d77148fbSSam Leffler ieee80211_node_setuptxparms(ni); 277149d2c137SBernhard Schmidt ieee80211_ratectl_node_init(ni); 27728a1b9b6aSSam Leffler /* give driver a chance to setup state like ni_txrate */ 2773736b3dc3SSam Leffler if (ic->ic_newassoc != NULL) 2774e9962332SSam Leffler ic->ic_newassoc(ni, newassoc); 2775b032f27cSSam Leffler IEEE80211_SEND_MGMT(ni, resp, IEEE80211_STATUS_SUCCESS); 27768a1b9b6aSSam Leffler /* tell the authenticator about new station */ 2777b032f27cSSam Leffler if (vap->iv_auth->ia_node_join != NULL) 2778b032f27cSSam Leffler vap->iv_auth->ia_node_join(ni); 2779b032f27cSSam Leffler ieee80211_notify_node_join(ni, 2780ce8977dfSSam Leffler resp == IEEE80211_FC0_SUBTYPE_ASSOC_RESP); 27818a1b9b6aSSam Leffler } 27828a1b9b6aSSam Leffler 2783b105a069SSam Leffler static void 2784b105a069SSam Leffler disable_protection(struct ieee80211com *ic) 2785b105a069SSam Leffler { 2786b105a069SSam Leffler KASSERT(ic->ic_nonerpsta == 0 && 2787b105a069SSam Leffler (ic->ic_flags_ext & IEEE80211_FEXT_NONERP_PR) == 0, 2788b105a069SSam Leffler ("%d non ERP stations, flags 0x%x", ic->ic_nonerpsta, 2789b105a069SSam Leffler ic->ic_flags_ext)); 2790b105a069SSam Leffler 2791b105a069SSam Leffler ic->ic_flags &= ~IEEE80211_F_USEPROT; 2792b105a069SSam Leffler /* XXX verify mode? */ 2793b105a069SSam Leffler if (ic->ic_caps & IEEE80211_C_SHPREAMBLE) { 2794b105a069SSam Leffler ic->ic_flags |= IEEE80211_F_SHPREAMBLE; 2795b105a069SSam Leffler ic->ic_flags &= ~IEEE80211_F_USEBARKER; 2796b105a069SSam Leffler } 27972dc4d8dcSSam Leffler ieee80211_notify_erp_locked(ic); 2798b105a069SSam Leffler } 2799b105a069SSam Leffler 28008a1b9b6aSSam Leffler /* 28018a1b9b6aSSam Leffler * Handle a station leaving an 11g network. 28028a1b9b6aSSam Leffler */ 28038a1b9b6aSSam Leffler static void 2804b032f27cSSam Leffler ieee80211_node_leave_11g(struct ieee80211_node *ni) 28058a1b9b6aSSam Leffler { 2806b032f27cSSam Leffler struct ieee80211com *ic = ni->ni_ic; 28078a1b9b6aSSam Leffler 28081b6167d2SSam Leffler IEEE80211_LOCK_ASSERT(ic); 28091b6167d2SSam Leffler 281068e8e04eSSam Leffler KASSERT(IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan), 2811b032f27cSSam Leffler ("not in 11g, bss %u:0x%x", ic->ic_bsschan->ic_freq, 2812b032f27cSSam Leffler ic->ic_bsschan->ic_flags)); 28138a1b9b6aSSam Leffler 28148a1b9b6aSSam Leffler /* 28158a1b9b6aSSam Leffler * If a long slot station do the slot time bookkeeping. 28168a1b9b6aSSam Leffler */ 28178a1b9b6aSSam Leffler if ((ni->ni_capinfo & IEEE80211_CAPINFO_SHORT_SLOTTIME) == 0) { 28188a1b9b6aSSam Leffler KASSERT(ic->ic_longslotsta > 0, 28198a1b9b6aSSam Leffler ("bogus long slot station count %d", ic->ic_longslotsta)); 28208a1b9b6aSSam Leffler ic->ic_longslotsta--; 2821b032f27cSSam Leffler IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_ASSOC, ni, 2822b105a069SSam Leffler "long slot time station leaves, count now %d", 2823b105a069SSam Leffler ic->ic_longslotsta); 28248a1b9b6aSSam Leffler if (ic->ic_longslotsta == 0) { 28258a1b9b6aSSam Leffler /* 28268a1b9b6aSSam Leffler * Re-enable use of short slot time if supported 28278a1b9b6aSSam Leffler * and not operating in IBSS mode (per spec). 28288a1b9b6aSSam Leffler */ 28298a1b9b6aSSam Leffler if ((ic->ic_caps & IEEE80211_C_SHSLOT) && 28308a1b9b6aSSam Leffler ic->ic_opmode != IEEE80211_M_IBSS) { 2831b032f27cSSam Leffler IEEE80211_DPRINTF(ni->ni_vap, 2832b032f27cSSam Leffler IEEE80211_MSG_ASSOC, 28338a1b9b6aSSam Leffler "%s: re-enable use of short slot time\n", 28348a1b9b6aSSam Leffler __func__); 28358a1b9b6aSSam Leffler ieee80211_set_shortslottime(ic, 1); 28368a1b9b6aSSam Leffler } 28378a1b9b6aSSam Leffler } 28388a1b9b6aSSam Leffler } 28398a1b9b6aSSam Leffler /* 28408a1b9b6aSSam Leffler * If a non-ERP station do the protection-related bookkeeping. 28418a1b9b6aSSam Leffler */ 28428a1b9b6aSSam Leffler if ((ni->ni_flags & IEEE80211_NODE_ERP) == 0) { 28438a1b9b6aSSam Leffler KASSERT(ic->ic_nonerpsta > 0, 28448a1b9b6aSSam Leffler ("bogus non-ERP station count %d", ic->ic_nonerpsta)); 28458a1b9b6aSSam Leffler ic->ic_nonerpsta--; 2846b032f27cSSam Leffler IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_ASSOC, ni, 2847b105a069SSam Leffler "non-ERP station leaves, count now %d%s", ic->ic_nonerpsta, 2848b105a069SSam Leffler (ic->ic_flags_ext & IEEE80211_FEXT_NONERP_PR) ? 2849b105a069SSam Leffler " (non-ERP sta present)" : ""); 2850b105a069SSam Leffler if (ic->ic_nonerpsta == 0 && 2851b105a069SSam Leffler (ic->ic_flags_ext & IEEE80211_FEXT_NONERP_PR) == 0) { 2852b032f27cSSam Leffler IEEE80211_DPRINTF(ni->ni_vap, IEEE80211_MSG_ASSOC, 28538a1b9b6aSSam Leffler "%s: disable use of protection\n", __func__); 2854b105a069SSam Leffler disable_protection(ic); 2855b105a069SSam Leffler } 2856b105a069SSam Leffler } 2857b105a069SSam Leffler } 2858b105a069SSam Leffler 2859b105a069SSam Leffler /* 2860b105a069SSam Leffler * Time out presence of an overlapping bss with non-ERP 2861b105a069SSam Leffler * stations. When operating in hostap mode we listen for 2862b105a069SSam Leffler * beacons from other stations and if we identify a non-ERP 2863b105a069SSam Leffler * station is present we enable protection. To identify 2864b105a069SSam Leffler * when all non-ERP stations are gone we time out this 2865b105a069SSam Leffler * condition. 2866b105a069SSam Leffler */ 2867b105a069SSam Leffler static void 2868b105a069SSam Leffler ieee80211_erp_timeout(struct ieee80211com *ic) 2869b105a069SSam Leffler { 2870b105a069SSam Leffler 2871b105a069SSam Leffler IEEE80211_LOCK_ASSERT(ic); 2872b105a069SSam Leffler 2873b105a069SSam Leffler if ((ic->ic_flags_ext & IEEE80211_FEXT_NONERP_PR) && 2874b8e29e06SAdrian Chadd ieee80211_time_after(ticks, ic->ic_lastnonerp + IEEE80211_NONERP_PRESENT_AGE)) { 2875b032f27cSSam Leffler #if 0 2876b032f27cSSam Leffler IEEE80211_NOTE(vap, IEEE80211_MSG_ASSOC, ni, 2877b032f27cSSam Leffler "%s", "age out non-ERP sta present on channel"); 2878b032f27cSSam Leffler #endif 2879b105a069SSam Leffler ic->ic_flags_ext &= ~IEEE80211_FEXT_NONERP_PR; 2880b105a069SSam Leffler if (ic->ic_nonerpsta == 0) 2881b105a069SSam Leffler disable_protection(ic); 28828a1b9b6aSSam Leffler } 28838a1b9b6aSSam Leffler } 28848a1b9b6aSSam Leffler 28858a1b9b6aSSam Leffler /* 28868a1b9b6aSSam Leffler * Handle bookkeeping for station deauthentication/disassociation 28878a1b9b6aSSam Leffler * when operating as an ap. 28888a1b9b6aSSam Leffler */ 28898a1b9b6aSSam Leffler void 2890b032f27cSSam Leffler ieee80211_node_leave(struct ieee80211_node *ni) 28918a1b9b6aSSam Leffler { 2892b032f27cSSam Leffler struct ieee80211com *ic = ni->ni_ic; 2893b032f27cSSam Leffler struct ieee80211vap *vap = ni->ni_vap; 289444acc00dSSam Leffler struct ieee80211_node_table *nt = ni->ni_table; 28958a1b9b6aSSam Leffler 2896b032f27cSSam Leffler IEEE80211_NOTE(vap, IEEE80211_MSG_ASSOC | IEEE80211_MSG_DEBUG, ni, 2897b105a069SSam Leffler "station with aid %d leaves", IEEE80211_NODE_AID(ni)); 28988a1b9b6aSSam Leffler 2899b032f27cSSam Leffler KASSERT(vap->iv_opmode != IEEE80211_M_STA, 2900b032f27cSSam Leffler ("unexpected operating mode %u", vap->iv_opmode)); 29018a1b9b6aSSam Leffler /* 29028a1b9b6aSSam Leffler * If node wasn't previously associated all 29038a1b9b6aSSam Leffler * we need to do is reclaim the reference. 29048a1b9b6aSSam Leffler */ 29058a1b9b6aSSam Leffler /* XXX ibss mode bypasses 11g and notification */ 29068a1b9b6aSSam Leffler if (ni->ni_associd == 0) 29078a1b9b6aSSam Leffler goto done; 29088a1b9b6aSSam Leffler /* 29098a1b9b6aSSam Leffler * Tell the authenticator the station is leaving. 29108a1b9b6aSSam Leffler * Note that we must do this before yanking the 29118a1b9b6aSSam Leffler * association id as the authenticator uses the 29128a1b9b6aSSam Leffler * associd to locate it's state block. 29138a1b9b6aSSam Leffler */ 2914b032f27cSSam Leffler if (vap->iv_auth->ia_node_leave != NULL) 2915b032f27cSSam Leffler vap->iv_auth->ia_node_leave(ni); 29161b6167d2SSam Leffler 29171b6167d2SSam Leffler IEEE80211_LOCK(ic); 2918b032f27cSSam Leffler IEEE80211_AID_CLR(vap, ni->ni_associd); 2919b032f27cSSam Leffler vap->iv_sta_assoc--; 29208a1b9b6aSSam Leffler ic->ic_sta_assoc--; 29218a1b9b6aSSam Leffler 292251172f62SAdrian Chadd if (IEEE80211_IS_CHAN_VHT(ic->ic_bsschan)) 292351172f62SAdrian Chadd ieee80211_vht_node_leave(ni); 29241b6167d2SSam Leffler if (IEEE80211_IS_CHAN_HT(ic->ic_bsschan)) 29251b6167d2SSam Leffler ieee80211_ht_node_leave(ni); 292668e8e04eSSam Leffler if (IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan) && 292768e8e04eSSam Leffler IEEE80211_IS_CHAN_FULL(ic->ic_bsschan)) 2928b032f27cSSam Leffler ieee80211_node_leave_11g(ni); 29291b6167d2SSam Leffler IEEE80211_UNLOCK(ic); 29308a1b9b6aSSam Leffler /* 29318a1b9b6aSSam Leffler * Cleanup station state. In particular clear various 29328a1b9b6aSSam Leffler * state that might otherwise be reused if the node 29338a1b9b6aSSam Leffler * is reused before the reference count goes to zero 29348a1b9b6aSSam Leffler * (and memory is reclaimed). 29358a1b9b6aSSam Leffler */ 2936b032f27cSSam Leffler ieee80211_sta_leave(ni); 29378a1b9b6aSSam Leffler done: 293844acc00dSSam Leffler /* 293944acc00dSSam Leffler * Remove the node from any table it's recorded in and 294044acc00dSSam Leffler * drop the caller's reference. Removal from the table 294144acc00dSSam Leffler * is important to insure the node is not reprocessed 294244acc00dSSam Leffler * for inactivity. 294344acc00dSSam Leffler */ 294444acc00dSSam Leffler if (nt != NULL) { 294544acc00dSSam Leffler IEEE80211_NODE_LOCK(nt); 294644acc00dSSam Leffler node_reclaim(nt, ni); 294744acc00dSSam Leffler IEEE80211_NODE_UNLOCK(nt); 294844acc00dSSam Leffler } else 29498a1b9b6aSSam Leffler ieee80211_free_node(ni); 29508a1b9b6aSSam Leffler } 29518a1b9b6aSSam Leffler 2952b032f27cSSam Leffler struct rssiinfo { 2953b032f27cSSam Leffler int rssi_samples; 2954b032f27cSSam Leffler uint32_t rssi_total; 2955b032f27cSSam Leffler }; 2956b032f27cSSam Leffler 2957b032f27cSSam Leffler static void 2958b032f27cSSam Leffler get_hostap_rssi(void *arg, struct ieee80211_node *ni) 2959b032f27cSSam Leffler { 2960b032f27cSSam Leffler struct rssiinfo *info = arg; 2961b032f27cSSam Leffler struct ieee80211vap *vap = ni->ni_vap; 2962b032f27cSSam Leffler int8_t rssi; 2963b032f27cSSam Leffler 2964b032f27cSSam Leffler /* only associated stations */ 2965b032f27cSSam Leffler if (ni->ni_associd == 0) 2966b032f27cSSam Leffler return; 2967b032f27cSSam Leffler rssi = vap->iv_ic->ic_node_getrssi(ni); 2968b032f27cSSam Leffler if (rssi != 0) { 2969b032f27cSSam Leffler info->rssi_samples++; 2970b032f27cSSam Leffler info->rssi_total += rssi; 2971b032f27cSSam Leffler } 2972b032f27cSSam Leffler } 2973b032f27cSSam Leffler 2974b032f27cSSam Leffler static void 2975b032f27cSSam Leffler get_adhoc_rssi(void *arg, struct ieee80211_node *ni) 2976b032f27cSSam Leffler { 2977b032f27cSSam Leffler struct rssiinfo *info = arg; 2978b032f27cSSam Leffler struct ieee80211vap *vap = ni->ni_vap; 2979b032f27cSSam Leffler int8_t rssi; 2980b032f27cSSam Leffler 2981b032f27cSSam Leffler /* only neighbors */ 2982b032f27cSSam Leffler /* XXX check bssid */ 2983b032f27cSSam Leffler if ((ni->ni_capinfo & IEEE80211_CAPINFO_IBSS) == 0) 2984b032f27cSSam Leffler return; 2985b032f27cSSam Leffler rssi = vap->iv_ic->ic_node_getrssi(ni); 2986b032f27cSSam Leffler if (rssi != 0) { 2987b032f27cSSam Leffler info->rssi_samples++; 2988b032f27cSSam Leffler info->rssi_total += rssi; 2989b032f27cSSam Leffler } 2990b032f27cSSam Leffler } 2991b032f27cSSam Leffler 299259aa14a9SRui Paulo #ifdef IEEE80211_SUPPORT_MESH 299359aa14a9SRui Paulo static void 299459aa14a9SRui Paulo get_mesh_rssi(void *arg, struct ieee80211_node *ni) 299559aa14a9SRui Paulo { 299659aa14a9SRui Paulo struct rssiinfo *info = arg; 299759aa14a9SRui Paulo struct ieee80211vap *vap = ni->ni_vap; 299859aa14a9SRui Paulo int8_t rssi; 299959aa14a9SRui Paulo 300059aa14a9SRui Paulo /* only neighbors that peered successfully */ 300159aa14a9SRui Paulo if (ni->ni_mlstate != IEEE80211_NODE_MESH_ESTABLISHED) 300259aa14a9SRui Paulo return; 300359aa14a9SRui Paulo rssi = vap->iv_ic->ic_node_getrssi(ni); 300459aa14a9SRui Paulo if (rssi != 0) { 300559aa14a9SRui Paulo info->rssi_samples++; 300659aa14a9SRui Paulo info->rssi_total += rssi; 300759aa14a9SRui Paulo } 300859aa14a9SRui Paulo } 300959aa14a9SRui Paulo #endif /* IEEE80211_SUPPORT_MESH */ 301059aa14a9SRui Paulo 301168e8e04eSSam Leffler int8_t 3012b032f27cSSam Leffler ieee80211_getrssi(struct ieee80211vap *vap) 30138a1b9b6aSSam Leffler { 30148a1b9b6aSSam Leffler #define NZ(x) ((x) == 0 ? 1 : (x)) 3015b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 3016b032f27cSSam Leffler struct rssiinfo info; 30178a1b9b6aSSam Leffler 3018b032f27cSSam Leffler info.rssi_total = 0; 3019b032f27cSSam Leffler info.rssi_samples = 0; 3020b032f27cSSam Leffler switch (vap->iv_opmode) { 30218a1b9b6aSSam Leffler case IEEE80211_M_IBSS: /* average of all ibss neighbors */ 30228a1b9b6aSSam Leffler case IEEE80211_M_AHDEMO: /* average of all neighbors */ 30237db788c6SAndriy Voskoboinyk ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, get_adhoc_rssi, 30247db788c6SAndriy Voskoboinyk &info); 3025b032f27cSSam Leffler break; 30268a1b9b6aSSam Leffler case IEEE80211_M_HOSTAP: /* average of all associated stations */ 30277db788c6SAndriy Voskoboinyk ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, get_hostap_rssi, 30287db788c6SAndriy Voskoboinyk &info); 30298a1b9b6aSSam Leffler break; 303059aa14a9SRui Paulo #ifdef IEEE80211_SUPPORT_MESH 303159aa14a9SRui Paulo case IEEE80211_M_MBSS: /* average of all mesh neighbors */ 30327db788c6SAndriy Voskoboinyk ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, get_mesh_rssi, 30337db788c6SAndriy Voskoboinyk &info); 303459aa14a9SRui Paulo break; 303559aa14a9SRui Paulo #endif 30368a1b9b6aSSam Leffler case IEEE80211_M_MONITOR: /* XXX */ 30378a1b9b6aSSam Leffler case IEEE80211_M_STA: /* use stats from associated ap */ 30388a1b9b6aSSam Leffler default: 3039b032f27cSSam Leffler if (vap->iv_bss != NULL) 3040b032f27cSSam Leffler info.rssi_total = ic->ic_node_getrssi(vap->iv_bss); 3041b032f27cSSam Leffler info.rssi_samples = 1; 30428a1b9b6aSSam Leffler break; 30438a1b9b6aSSam Leffler } 3044b032f27cSSam Leffler return info.rssi_total / NZ(info.rssi_samples); 30458a1b9b6aSSam Leffler #undef NZ 30468a1b9b6aSSam Leffler } 30478a1b9b6aSSam Leffler 304868e8e04eSSam Leffler void 3049b032f27cSSam Leffler ieee80211_getsignal(struct ieee80211vap *vap, int8_t *rssi, int8_t *noise) 30508a1b9b6aSSam Leffler { 30518a1b9b6aSSam Leffler 3052b032f27cSSam Leffler if (vap->iv_bss == NULL) /* NB: shouldn't happen */ 305368e8e04eSSam Leffler return; 3054b032f27cSSam Leffler vap->iv_ic->ic_node_getsignal(vap->iv_bss, rssi, noise); 305568e8e04eSSam Leffler /* for non-station mode return avg'd rssi accounting */ 3056b032f27cSSam Leffler if (vap->iv_opmode != IEEE80211_M_STA) 3057b032f27cSSam Leffler *rssi = ieee80211_getrssi(vap); 30588a1b9b6aSSam Leffler } 3059